Module 3

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

C. Historical facts page

Which of the following would most likely be a static website? A. A news site B. A blog C. Historical facts page D. An online shopping site

browser

Which type of app would most likely NOT be found included in a productivity suite

C. Browser

Which type of app would most likely NOT be found included in a productivity suite? A. Presentation B. Spreadsheet C. Browser D. Word processing

big data

__________ is large and complex data sources that defy easy handling with traditional data processing methods

Hypertext Transfer Protocol

__________ is the standard that servers use to process user requests for Web pages.

Freeware

__________ refers to a program that is copyrighted and provided at no cost, but the developer retains all rights to the product

Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations

false

T/F: A joystick is a pen-type input device usedto draw and tap on icons.

false

What are some examples of hardware?

memory, storage devices, a central processing unit, input and output devices, and communication devices

What is the area of the hard drive temporarily used to store data that cannot fit in RAM?

swamp file or paging file

Contact information for all the people taking a class at a school are stored in a ________ called Students.

table

How might a business back up their data?

tape drive

What's a power-on self test (POST)?

tests all computer components for proper orientation

What does the digit o indicate?

the absence of an electric charge

What are the components of a computer?

the central processing unit (CPU), memory, storage devices, input devices, and output devices

When a CPU executes instructions as it converts input into output, it does so with _____.

the control unit and the arithmetic logic unit

what is the most common storage medium in computers?

the internal hard drive

What is the minimum hardware requirement called?

the system requirements

What characteristic of Big Data indicates how closely that data matches reality?

veracity

What is memory that loses its contents when power is removed?

volatile

twitter

what social media has banned political ads

How to install computer hardware on a desktop or all-in-one computer:

Carefully unpack all components from the box and place them in desired locations. Connect all components and accessories.

How to install computer hardware on a laptop:

Carefully unpack the laptop and place it in a location next to a power source, FULLY CHARGE before using the device for the first time

What is clock speed?

In Computer Concepts, the speed at which a processor can execute instructions. Clock speed either can be measured in megahertz (MHz) or gigahertz (GHz).

records

In a relational database, data is organized into rows of data called __________

Which of the following should you take into consideration when purchasing a computer?

(a) form factor (b) software and applications you intend to use (c) platform or operating system (d) storage capacity

What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?

Plotter

Automation and robots

It is projected that the US workers will need protection from __________ in the future

Add-on device example:

Keyboard, mouse, printer, or speakers that connect to and extend the capability of a computer

A CPU is a chip. Some example of items that have it:

Laptop, tablets, other mobile devices, smartphones, specialized ones are in electronic control systems for cars, TV's, appliance, and other systems

Presence of an electronic charge

What is an ink-jet printer?

Prints by spraying small dots of colored ink onto paper

What is the correct way to update a device driver?

Run the update within the OS or the latest software from the device manufacturer's website.

What programming language supports relational databases?

SQL

You can easily rearrange clips by dragging them. (T/F)

True

Before doing maintenance, what should you do?

Turn off computer and remove from power source

What is the first step to performing hardware maintenance?

Turn off the computer and remove its power source.

Desktop Computer:

Typically consist of the system unit, monitor, keyboard, and mouse

One of Eden's customers has closed his account and moved to a different state. She needs to change his status to Inactive. What SQL command will accomplish this task?

UPDATE

How would you back up material that you want to move from one computer to another?

USB flash drive

What is the most common type of storage device for transferring files from one computer to another?

USB flash drive

true

UX refers to the focus on the user's reaction and interaction to a product, including efficiency, effectiveness, and ease of use.

True

UX refers to the focus on the user's reaction and interaction to a product, including in efficiency, effectiveness and ease of us

Processor Core:

Unit on the processor with the circuity necessary to execute instructions

true

Use CSS to create the formatting of webpages on different devices.

Alessandro wants to use his desktop computer to video chat with his mother. What hardware does he need to accomplish this?

Use his webcam and speakers so that he and his mother can both see and hear each other

Alessandro wants to use his desktop computer to video chat with his mother. What hardware does he need to accomplish this?

Use his webcam and speakers so that he and his mother can both see and hear each other.

Alessandro wants to use his desktop computer to video chat with his mother.What hardware does he need to accomplish this?

Use his webcam and speakers so that he and his mother can both see and hear each other.

Laster Printer:

Uses a laser beam and toner to print on paper

What is a laser printer?

Uses a laser beam and toner to print on paper

Which of the following is classified as input device?

Webcam

historical facts page

Which of the following would most likely be a static website

What is a game controller?

An input device you use when playing a video game.

true

California has a bill to halt facial recognition on body cams.

True

California have a bill to halt facial recognition on body cams

4GL or Task-orientated

Ruby and SQL are examples of what type of language

Alex needs to email his graduation certificate to a prospective employer. He has only physical copies of the certificate. What device could he use to perform the task?

(a) He should use a scanner, which would convert an image into an electronic file.

Daniel wants to buy a desktop to use for playing games after work. He loves racing games and wants to make sure his laptop has all the specifications needed to run them smoothly and efficiently. Which of these factors should he consider?

(a) RAM capacity - it provides temporary storage that applications use to run smoothly (b) Processor core - some applications, especially games, have greater processor requirements

What is the correct way to update a device driver?

(a) Run the update within the OS or the latest software from the device manufacturer's website.

What is the first step to performing hardware maintenance?

(a) Turn off the computer and remove its power source.

What could cause an external drive, like a USB flash drive, to not be recognized when plugged into a computer?

(a) a faulty port

Which of these is an optical medium of storage?

(a) blu-ray discs

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow?

(a) bottlenecking

What determines the speed at which data travels?

(a) bus width

Which of the following factors can affect processor performance of a CPU?

(a) clock speed (b) bus width

Alice stored a memory card in her wallet that had all the photographs of a recent trip she took. When she inserted the card into her laptop, her computer wasn't able to read it. Alice tried to access its contents on her other devices but could not. Based on this, which of the following is/are likely to be true?

(b) The memory card is damaged and storing it in a protective case could have avoided the damage. (c) The memory card is damaged and its contents are permanently lost.

Where on a computer is the operating system generally stored?

(b) internal hard drive

- Processor core - some applications, especially games, have greater processor requirements - RAM capacity - it provides temporary storage that applications use to run smoothly

How many bits make up a byte?

What is a video card?

A circuit board that processes image signals.

What is Unicode?

A coding systems that represent text and symbols in computers, communications equipment, and other devices that use text. * it is a 16 bit coding scheme that is an extension of ASCII

What is the central processing unit (CPU)?

A complex integrated circuit that consists of millions of electronic parts and is primarily responsible for converting input (data) into meaningful output (information)

true

A copyright is an originator's exclusive legal right to reproduce, publish, or sell intellectual property,

What is the binary system?

A number system that has two digits, 0 and 1.

What is a stylus?

A pen-shaped digital tool for making selections and entering information on a touchscreen

What is a laptop or notebook?

A portable computer that is smaller than the average briefcase and light enough to carry comfortably; often called a notebook.

What is a mobile device?

A portable or handheld computing device, such as a smartphone or a tablet, with a screen size of 10.1 inches or smaller.

What is a device driver?

A program that controls a device attached to your computer, such as a printer, monitor, or video card. *manually install software to work properly

What can a byte represent?

A single character in the computer or mobile device

What is a port?

A slot on the computer or device where you can attach a peripheral device.

False

A software suite is a single program that have modules for business applications such as word-processing, spreadsheet, and presentation

What is a trackball?

A stationary pointing device with a ball anchored inside a casing, as well as two or more buttons.

What is a benchmark?

A test run by a laboratory or other organization to determine processor speed and other performance factors.

What is wheel?

A type of game controller that mirrors the functionality of a steering wheel in a vehicle.

protocol

A(n) __________ is a set of rules that programs on two communicating devices follow.

0 =

Absence of an electronic charge

Kristy just received a laptop from her employer so she can work from home. She wonders if she can also use the laptop for personal activity, such as streaming movies. What documentation should Kristy check to find the answer to her question?

Acceptable use policy (AUP)

False

After you have finished designing and creating your website, you need to index it and place it on an FTP, so all will be able to access it

How does the binary system work?

As you type on your keyboard, the computer translates them into corresponding bits and bytes. This translation spares you from having to manually type the bits for each number

When a computer translates a character into bits and bytes it uses text coding schemes such as:

AsCII and Unicode

True

Astrobee was the first autonomous flights on the International Space Station

true

Astrobee was the first autonomous flights on the International Space Station..

True

Before you name your website, you will need to do a search for other sites using that name and then purchase a domain name or register the name from a website builder

Video Card:

Circuit board that processes image signals

Which of the following factors can affect processor performance of a CPU?

Clock speed

Jason takes many photographs on his smartphone while on vacation in Italy. If Jason wants to access these pictures across multiple devices, including his computer, smartphone, and tablet, where should he store them?

Cloud storage

Jason takes many photographs on his smartphone while on vacation in Italy.If Jason wants to access these pictures across multiple devices, including his computer, smartphone, and tablet, where should he store them?

Cloud storage

Input Device:

Communicates instructions and commands to a computer

What is an input device?

Communicates instructions and commands to a computer. Common input devices are keyboard, mouse, stylus, scanner, microphone, and game controller.

Central Processing Unit:

Complex integrated circuit consisting of millions of electronic parts and is primarily responsible for converting input (data) into meaningful output (information)

An all in one computer is what?

Computer that typically consists of the system unit, monitor, keyboard, and mouse.

What is a desktop computer?

Computer that typically consists of the system unit, monitor, keyboard, and mouse.

What is the correct sequence of processing instructions in a machine cycle?

Fetch decode execute store

What are the two important components of CPU that help in processing the input into output?

Control Unit and Arithmetic Logic Unit

What unit performs the fetching and decoding steps of the machine cycle?

Control unit

Pros of tablet:

Convenient and easy to transport

Scanner:

Converts an existing paper image into an electronic file that you can open and work with on your computer

Output Devices:

Conveys information from the computer to its user, or performs an actions based on a command

allow organizations to easily store, retrieve, and analyze data

Database management systems __________.

Jennifer recently bought a new computer to type a new manuscript she's been working on. She also stored a lot of movies on it to watch during her free time. Though the performance was good at the beginning, it deteriorated quickly over a small period of time. Which of these is the most likely cause?

Declining free space on the hard drive

Which of the following devices is the easiest to upgrade, such as by adding RAM?

Desktop computers

Which of these, though not equally portable, is most powerful and usually easier to upgrade than others?

Desktop computers

What would you use to completely back up the contents of your computer?

External hard drive or in cloud drive

When using a Windows Internet browser, pressing _____ reloads a page.

Mindy needs to run a SQL query that will pull the names and birthdates of all her students. What should the FROM phrase say in her query?

FROM Students

False

Facebook has banned political ads due to the inaccuracy in information they contain

false

Facebook has banned political ads due to the inaccuracy in information they contain.

False

Facebook working on a new crypto-currency named Pisces

false

Facebook working on a new crypto-currency named Pisces.

Raphael is working with a table in Access. He needs to see all the records for customers in Chattanooga so he can check the zip codes in that city. Which database tool will show only these records in the table?

Filter

What are instructions on ROM called?

Firmware; get updated often

Planning, Analysis, Design, Implementation (deployment), Support/Security (Maintenance)

Five Software (System) Development Life Cycle (SDLC) phases

Solid state hard drives are a type of _________ memory.

Flash

What is a dance pad?

Game controller held in both hands that controls the movement and actions of players or objects.

it is free

How should you pay for Apache OpenOffice

True

In order to run a program's source code, it must be translated into machine language

true

In order to run a program's source code, it must be translated into machine language.

Manny copied a table from a MS Excel file, closed the file, and then pasted the table in an MS Word document. Where did the copied table get stored after he copied it?

In the RAM

Headset:

Include one more headphones for output and a microphone for input

The hard disk drive on Joyce's laptop can store up to 500 GB of data. She usually only saves official documents and a few songs that she listens to while she works. However, when she uses more than three applications at the same time, her laptop responds more slowly. What should she do to optimize her storage?

Increase the RAM on her laptop so that more space for temporary storage of data is available, hence, increasing the performance

An add-on device can be used for both:

Input and output

What are cameras?

Input devices that support adding pictures or videos to a computer.

What is the recommended solution if a computer performs slowly?

Install additional RAM.

Slate tablet:

Letter-sized pad that doesn't contain physical keyboard

Which type of disk drive has greater storage?

Magnetic

You should make sure of what before using an add-on device?

Make sure its device compatible

What is the control unit?

Manages the flow of instructions within the processor.

Control Unit:

Manages the flow of instructors within the processor

SRAM:

Memory can be recharged less frequently than DRAM, but can be more expensive than DRAM

What is static RAM (SRAM)?

Memory can be recharged less frequently than DRAM, but can be more expensive than DRAM *volatile*

MRAM and flash memory have what kind of memory?

Nonvolatile

Cons of desktop computer:

Not portable

Can you access files saved on the internal hard drive on other computers?

Not unless you copy the file to the other computer by external hard drive, USB flash drives, or sending it electronically

False

On a desktop or laptop computer, you should uninstall a program or app by using your system's file management program to delete the folder containing the program's files

false

On a desktop or laptop computer, you should uninstall a program or app by using your system's file management program to delete the folder containing the program's files.

Darcie has hired a programmer to make some custom changes to a DBMS she plans to move her business database to. What kind of DBMS is she using?

Open Source

_______ recognition converts scanned documents into editable text.

Optical character

Surveillance Cameras or Cameras

Outback Steakhouse is using ____ on its staff.

Surveillance cameras

Outback Steakhouse is using __________ on its staff

If a processor uses specific data frequently it can store data where?

Processor cache

Daniel wants to buy a computer to use for playing games after work. He loves racing games and wants to make sure his device has all the specifications needed to run them smoothly and efficiently. Which of these factors should he consider?

Processor core - some applications, especially games, have greater processor requirements

false

Programs only are considered restricted by copyright laws if the author has applied for legal protections

False

Programs only are considered restricted by copyright laws, if the author has applied for legal protections

Which is the most suitable device to use in a classroom or a conference room to deliver presentations?

Projector

What is random access memory?

RAM * stored on one or more chip connected to the main circuit board of the computer aka the motherboard) The storage location that is part of every computer and that temporarily stores open apps and document data while a computer is on.

Which type of memory is permanently installed on your computer and attached to the motherboard?

Read-only memory (ROM)

RAID stands for _________.

Redundant Array of Independent Disks

Hunter has dyslexia and struggles to understand text when he reads it to himself. It seems assigned class readings always make more sense when someone else reads them to him. What tool can help Hunter study more independently?

Screen Reader

False

Security experts see online voting as the best way to include persons that cannot get to voting booths

false

Security experts see online voting as the best way to include persons that cannot get to voting booths.

risky

Security experts see online voting as...

All-in-one computer:

Similar to a desktop, but monitor and system unit are housed together

Digital Pen:

Similar to a style, but its more capable because it has programmable buttons

Ports:

Slot on the computer where you can attach a peripheral device

Stylus:

Small device, shaped like a pen

Headphones:

Small listening devices that fit into a band placed over your ears

Tablet:

Small, flat computer with a touch-sensitive screen

Mobile Printer:

Small, lightweight printer that is build into or attached to a mobile device for mobile printing

Earbuds:

Speakers small enough to place in your ears

What are earbuds?

Speakers that are small enough to place in your ears.

What performance specification does 2 GHz refer to?

Speed at which the processor executes instructions

Scarlet needs to create a file to hold a list of expenses for an upcoming project, and she needs to do some basic calculations with the numbers in the budget. Which kind of file is the best fit for this purpose?

Spreadsheet

False

The Apple App Store is malware-proof

false

The Apple App Store is malware-proof.

What does the ROM contain?

The BIOS which tell your computer how to start

False

The Waterfall method is an example of agile development

false

The Waterfall method is an example of agile development.

An intranet

The analysis of web use's behavior in order to improve a site's performance.

When a CPU executes instructions as it converts input into output, it does so with what?

The control unit and arithmetic logic unit

What are firmware?

The instructions on the ROM chip

Wider the bus=

The more data that can travel on it

What is a mouse?

The most common type of pointing device used with computers.

What is the form factor?

The shape and size of a computer

What is a cycle?

The smallest unit of time a process can measure.

What is a computer platform?

The software, or operating system, a device uses.

Machine Cycle:

The steps the CPU completes to run programmed instructions, make calculations, and make decisions

The Unicode coding scheme supports a variety of characters including those for Chinese, Japanese, and Arabic languages.

True

The connector on a USB flash drive allows transmission of both data and power. (T/F)

True

A wide area network (WAN)

Which of the following networks will allow Henry to connect to his supervisor in China?

Modern processors often have ____ levels of cache.

Three

When is RAM used?

To temporarily story instructions used by apps

The number of transistors on a computer chip

To which of the following is Moore's Law related?

Bailey reads wikis at the beginning of his research project to get his bearings on the topic. He switches to peer-reviewed journals and professional publications for his formal sources. Why does Bailey not use wikis as formal sources?

Wikis can be heavily biased

What are two of the most common operating systems?

Windows and macOS

C. Graphics and media

You want to share information about an upcoming event by creating a short promotional video. Which type of app might you use to create the video? A. Communications B. Device management C. Graphics and media D. Personal interest

graphics and media

You want to share information about an upcoming event, by creating a short promotional video, Which type of app might you use to create the video

Hate speech

YouTube removed 17,000 channels and 100,000 videos for violating their ____ rule.

hate speech

YouTube removed 17,000 channels and 100,000 videos for violating their __________ rule

Waterfall

____ is a predictive software development methodology.

What determines the speed at which data travels? a. Bus width b. Clock speed c. Instructions per cycle (IPC) d. RAM capacity

To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step? A. Disconnect all output devices. B. Transfer contents to an external storage device. C. Disconnect the UPS. D. Remove the internal hard drive on which the operating system is stored.

Where on a computer is the operating system generally stored? A. RAM B. Internal hard drive C. Flash drive D. Virtual memory

Which of the following is a game controller that is held with both hands and used to control movement of on-screen objects by pressing buttons and moving hardware components? a. joystick b. gamepad c. digital pen d. stylus

false

big data is processed using relational databases

Which of these is not an input device? a. Stylus b. Scanner c. Printer d. Webcam

Francis closely monitors customer reviews on Google for his landscaping business. Most customers post high praise for his work; however, today he discovered an extremely negative review posted by someone claiming the name "Superman." Clearly, this is a fake name, and Francis has no way of following up with the person to determine what he can do to resolve the problem or even to know if it's a real customer. This is an example of __________.

catfishing

Which of the following is a game controller that is held with both hands and used to control movement of on-screen objects by pressing buttons and moving hardware components?

gamepad

Manny copied a table from an MS Excel file, closed the file, and then pasted the table in an MS Word document. Where was the table stored after he copied it?

in RAM

What is a headset?

includes one or more headphones for output, and a microphone for input.

False

it has been reported that the internet is safe for minors

If you press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen?

'A' is converted to binary code, which the CPU processes. The computer then converts the code back 'A' for display.

While naming a file on the computer, if we press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen?

'A' is converted to its ASCII binary code and stored in the memory unit. Then it is converted back to 'A' for display.

(a) declining free space on the hard drive

Which of these, though not equally portable, is most powerful and usually easier to upgrade than others?

(a) desktop computers

In which of the following storage device(s) does memory need to be constantly recharged to retain the contents?

(a) dynamic RAM (DRAM)

Surya's computer monitor display does not seem to work despite repeated attempts to fix the issue. Which of the following is most likely to be causing display problems?

(a) faulty power or video cable

What is the correct sequence of processing instructions in a machine cycle?

(a) fetch decode execute store

What is the recommended solution if a computer performs slowly?

(a) uninstall the programs and apps that are not needed (c) install additional ram

Which of the following is/are classified as input device(s)?

(a) webcam (b) mouse (c) touchpad

When should a user consider restoring the operating system?

(a) when the programs or apps do not start properly (c) when the system slows down

Which of the following is a game controller that is held with both hands and used to control movement of on-screen objects by pressing buttons and moving hardware components?

(b) gamepad

Manny copied a table from a MS Excel file, closed the file, and then pasted the table in an MS Word document. Where did the copied table get stored after he copied it?

(b) in the RAM

To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step?

(b) transfer contents to an external storage device

Alessandro wants to use his desktop computer to video chat with his mother.What hardware does he need to accomplish this?

(b)Use his webcam and speakers so that he and his mother can both see and hear each other.

While naming a file on the computer, if we press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen?

(c) 'A' is converted to its ASCII binary code and stored in the memory unit. Then it is converted back to 'A' for display.

Rocco runs a software firm that creates database management systems for other businesses. How can he ensure that his employees' computers remain protected from viruses and other malware?

(c) Increase the RAM on her laptop so that more space for temporary storage of data is available, hence, increasing the performance

Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer and a mouse?

In which format is data finally stored in computers?

Jason takes many photographs on his smartphone while on vacation in Italy.If Jason wants to access these pictures across multiple devices, including his computer, smartphone, and tablet, where should he store them?

Which of the following types of storage is/are used to transfer data from one computer to another?

Which of these hardware components can you use to store videos?

Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him?

What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?

What devices do not need device drivers to be manually installed, and start to function as soon as they are connected to a computer?

Which of these is not an input device?

Which of the following is a necessary step in maintaining computer hardware?

What are the two important components of CPU that help in processing the input into output?

(d) Control Unit and Arithmetic Logic Unit

Which is the most suitable device to use in a classroom or a conference room to deliver presentations?

(d) projector

What device do e-learning applications usually use to help users with visual impairment read digital content?

(d) voice synthesizer

The main categories of software are _______.

- Application - System - Development

Speakers and headphones can connect to devices using _____.

- Bluetooth - A 3.5mm audio jack - USB

Interference is a common problem with _____ devices.

- Bluetooth - Wireless

Which of the following factors can affect processor performance of a CPU?

- Clock speed - Bus width

Which of these following types of storage is/are used to transport information?

- External hard drive - Optical media

Which of the following should you take into consideration when purchasing a computer?

- Form factor - Software and applications you intend to use - Platform or operating system - Storage capacity

Overheating caused by direct sunlight can damage the _____.

- LCD screen - Processor - Hard drive

Which of the following are examples of pointing devices?

- Mouse - Touchpad

Hardware specifications include which of the following?

- RAM - CPU

- RAM capacity - it provides temporary storage that applications use to run smoothly - Processor core - some applications, especially games, have greater processor requirements

An operating system uses available storage space on a startup drive for _____.

- Storing programs - Virtual memory - Storing apps

- The memory card is damaged and storing it in a protective case could have avoided the damage - The memory card is damaged and its contents are permanently lost

- The memory card is damaged, and storing it in a protective case could have avoided the damage - The memory card is damaged, and its contents are permanently lost

A laptop (notebook) typically includes a _______.

- Touchpad or trackpad - Keyboard

What is the recommended solution if a computer performs slowly?

- Uninstall the programs and apps that are not needed - Install additional RAM

The two categories of system software are _______.

- Utilities - Operating systems

Which of the following is/are classified as input device(s)?

- Webcam - Mouse - Touchpad

When should a user consider restoring the operating system?

- When the programs or apps do not start properly - When the system slows down

When should a user consider restoring the operating system?

- When the programs or apps do not start properly. - When the system slows down.

What does the ROM chip contain and what does it tell your computer to do ?

- contains the BIOS and it tells your computer how to start

Two different coding scheme's your computer uses for the binary system:

-ASCII (8 bit) -Unicode (16 bit extension of ASCII)

Multifunction device (MFD):

-All-in-one printer -Can serve as an input device by copying and scanning -Can serve as an output device by faxing and printing

Cloud storage is ______.

-An Internet service that provides remote data storage - A safe and easy backup option for many consumers - Good for sharing links to large files

Optical Media:

-CDs, DVDs, Blue Ray discs -Use is dealing -Easy to transport, but if the disc get damaged you can't access the files

External Hard Drive:

-Can add storage capacity to your computer, are housed in a separate case, and typically connect to your computer using a USB -Either magnetic or solid state technology -Can be transported from one computer to another

Components of Computer Hardware:

-Central processing unit -Multi-core processors -Processor cache -Control unit -Arithmetic logic unit -Computer memory -Input and output devices

What should you look at to measure performance of computer hardware:

-Clock speed -Cycle -Bus width -Benchmark

Keyboard:

-Contains keys you can press to enter digits -Desktop computers have them wirelessly or wired -Laptops built in -Mobile devices on screen

Voice Synthesizer:

-Converts text to speech -Helpful for visual impairments

Bus Width:

-Determines the speed at which data travels -Also called word size

Touchscreen:

-Display that lets you touch -Multitouch respond to multiple fingets

Common types of RAM:

-Dynamic RAM (DRAM) -Static RAM (SRAM) -Magnetoresistive RAM (MRAM) -Flash memory

4 Steps in the Machine Cycle:

-Fetching -Decoding -Executing -Storing

Solid State Drive (SSD):

-Hard drive without moving parts, and is faster and more durable than magnetic drives -Often used on mobile devices such as laptops and tablets

Pros of desktop computers:

-Hardware components can be more easily upgraded -Often more powerful and contain more storage than mobile

Different types of printers:

-Ink jet -Laser -Multifunction device (MFD) -Mobile printer -Plotter -3-D printer

Different kinds of storage devices:

-Internal hard drive -External hard drive -Solid state drives -Optical media -Tape drive

Gamecontroller examples:

-Joystick: handheld vertical level -Gamepad: held in both hand, user presses buttons with their thumbs or move sticks -Dance pad: flat, electronic device you press your feet into -Wheel: mirror functionality of steering wheel -Motion-sensing controller: allows users to guide on-screen elements with air gestures

Example of input devices:

-Keyboard -Pointing device -Touchscreen -Microphone -Camera -Scanner -Game controller

Plotter:

-Large format printer that uses charged wires to produce high-quality drawings for professional applications such as architectural blueprints -Plotters draw continuous lines on large rolls of paper

Cons of tablet:

-Less powerful -Cant update device so if it starts deteriorating you may need to replace it

What should you do if you have display problems?

-Make sure monitor is properly connected to the system unit and power source -Try connecting a different monitor to determine it tis the monitor or system unit -Use different power and video cables -Still an issue, could be video card. Take to professor

Cons of all-in-one computers:

-More difficult to service or upgrade because components housed in a limited space -Sometimes more expensive

Internal Hard Drive:

-Most common storage medium -Store data magnetically or can use solid state storage -Contains a disk and other moving parts -Installed in the computer you're using

Example of pointing devices:

-Mouse: most common pointing device -Touchpad: flat surface that is touch-sensitive -Trackball: stationary pointing device with a ball anchored inside a casing with buttons around

Binary System:

-Number system that has two digits, 0 and 1 (called bits) -When grouped together they represent data

ROM:

-Permanently installed on your computer and is attached to the motherboard -Means of communication between the operating system and hardware devices

What should you consider when determining what hardware is personally necessary to consider when purchasing a computer?

-Platform -Hardware -Hardware specifications -Form factor -Add-on devices

How to install computer hardware on peripheral devices:

-Plug and play: function properly as soon as you connect them -Device driver: program that controls a device attached to your computer, such as a printer, monitor, or video card -Some devices require you to manually download software

Multi-Core Processors:

-Processors with multiple cores -Usually perform better and are more expensive

How can you protect your computer from power fluctuations?

-Purchase a surge protector (uninterruptible power supple)

Two types of memory on a computer:

-RAM (random access memory) -ROM (read-only memory)

Restore:

-Reverting all settings back to their default, or migrating back to the operating systems previous version

How to update the device driver if there are issues with your peripheral device?

-Run the update with your operating system, then restart -Navigate to manufactores website, get latest software, start software and follow instruction to complete update

Convertible tablet:

-Screen in its lid, keyboard in its base -Connected by a swivel-type hinge

Surge Protector:

-Short term battery backup that comes on automatically in case of power loss

Cycle:

-Smallest unit of time a process can measure

Example of output devices:

-Speakers -Headphones -Earbuds -Headset -Printer -Projectors -Voice synthesizer

RAM :

-Stored on one or more chips connected to the main circuit board of the computer (motherboard) -Temporarily stores data needs by the operating system and apps you use

Processor Cache:

-Stores the data next to the processor so that it can be easily and quickly retrieved

Cloud Storage:

-Storing electronic files on the internet, not on a local computer -Enables you to store your files remotely on servers that could be in a different place -Storing and retrieving files from cloud storage typically requires only a computer or mobile device with internet -Might not require as much storage on your computer

Camera:

-Support you adding pictures or videos into a computer -Webcams: built in

Pros of all-in-one computers:

-Take up less space than a desktop and are easier to transport

Benchmark:

-Test run by a lab to determine processor speed and other performance factors -Compare similar systems performing identical tasks

Clock Speed:

-The speech at which the computer can execute instructions -Measured in either MHz or GHz

Ultra thin Laptops:

-Weigh less, but less powerful -May have longer battery life

Virtual Memory occurs when:

-When you run operating systems or apps it requires a certain amount of RAM to function properly -If your computer runs low of RAM it may need to be swapped from the RAM to the hard drive

Which of the following scenarios would most likely rely on Big Data? Choose two. 1. Evaluating applications for disability benefits 2. Calculating a student's course average 3. Calculating traffic delays during rush hour 4. Budgeting for a home renovation

1. Evaluating applications for disability benefits 3. Calculating traffic delays during rush hour

What are the four steps in the machine cycle in the instructions executed by the CPU?

1. Fetching 2. Decoding 3. Executing 4. Storing

When a CPU executes instructions as it converts input into output, it does so using what two things?

1. control unit 2. arithmetic logic unit

What is the correct sequence of processing instructions in a machine cycle?

1. fetch 2. decode 3. execute 4. store

What are the three types of memory?

1. random access memory 2. read-only memory 3. virtual memory

Which of the following is a key aspect of database security according to the CIA triad security model? Choose two. 1. Authorization 2. Availability 3. Integrity 4. Identity

2. Availability 3. Integrity

Melody is building a database for a restaurant. Which pair of tables is least likely to need a direct relationship with each other? 1. Customers, Orders 2. Customers, Ingredients 3. Products, Orders 4. Products, Ingredients

2. Customers, Ingredients

Casey is looking for a free, open-source RDBMS for his company. Which of the following best meets these requirements? 1. Microsoft SQL Server 2. PostgreSQL 3. MongoDB 4. Oracle Database

2. PostgreSQL

Which of the following is NOT a responsible way to dispose of an old smartphone after removing your data from the device? 1. Donate it to a charity. 2. Remove the battery and throw it in the trash. 3. Trade it for credit at a technology store. 4. Take it to a recycling facility.

2. Remove the battery and throw it in the trash

Alvaro is having lower back pain from working long hours on his computer. Which of the following strategies could help him solve this problem? Choose two. 1. Don't text and walk. 2. Switch to a standing desk. 3. Take frequent breaks. 4. Use speech-to-text technology.

2. Switch to a standing desk. 3. Take frequent breaks.

Kiera is building a front-end user interface for the database her new website will use. Which of the following languages is NOT used to build a webpage? 1. HTML 2. JavaScript 3. SQL 4. CSS

3. SQL

Which of the following would most likely be the key paired with a value of "Canada" in a nonrelational customer database? 1. Name 2. Product 3. Affiliation 4. Country

4. Country

Which of the following fields would be most important to encrypt in a customer table? 1. Customer's city 2. Customer's sales representative 3. Customer's status 4. Customer's credit card number

4. Customer's credit card number

What kind of database is needed to hold and organize diverse data types, such as X-ray images and doctors' notes, in a medical database? 1. Relational database 2. Big Data database 3. Backup database 4. Nonrelational database

4. Nonrelational database

Dana is creating a table that will show books for sale on a bookstore's website. Which field in the table would best serve as its primary key? 1. Author 2. PageCount 3. Title 4. ProductID

4. ProductID

Edward shares a blog post on social media that says the Centers for Disease Control (CDC) has changed their recommendation for flu shots. He is quickly bombarded by other people saying his information is wrong. What did Edward fail to do? 1. Check the blog post for bad grammar. 2. Post an opposing point of view to maintain balance. 3. Check the blog post for accessibility features, such as alt text. 4. Verify the content with an authoritative source.

4. Verify the content with an authoritative source.

Which data type would be best suited to a field that lists customer email addresses? 1. AutoNumber 2. Date/Time 3. Number 4. Hyperlink

4.Hyperlink

True

56% of Americans agree that it is ok for Law Enforcement Officers to use face recognition technology to identify criminals

true

56% of Americans agree that it is okay for Law Enforcement Officers to use face recognition technology to identify criminals.

Byte:

8 bits together

A CPU converts the data entered through the keyboard into output displayed on the monitor. true or false

Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer and a mouse?

A desktop computer

What is peripheral device?

A device such as a keyboard, mouse, printer, or speakers that can connected to and extend the capability of a computer.

What is a scanner?

A device that converts a paper image into an electronic file that you can open and work with on your computer.

What is an uninterruptable?

A device that maintains power to computer equipment in case of an interruption in the primary electrical source.

What is a surge suppressor?

A device that prevents power fluctuations from damaging electronic components.

What is a multitouch screens?

A display that can respond to multiple fingers touching the screen simultaneously.

What is a touchscreen?

A display that lets you touch areas of the screen to interact with software.

What could cause an external drive, like a USB flash drive, to not be recognized when plugged into a computer?

A faulty port

what is a touchpad?

A flat surface that is touch-sensitive, and you move your finger around the touchpad to move the pointer on the screen.

What is a digital pen?

A small device, shaped like a pen, that you can use to draw, tap icons, or tap keys on an on-screen keyboard, similar to a stylus, but is more capable because it has programmable buttons.

What is a tablet?

A small, flat computer with a touch-sensitive screen that accepts input from a digital pen, stylus, or your fingertip

false

After you have finished designing and creating your website, you need to index it and place it on an FTP, so all will be able to access it.

Adaptive

Agile and RAD is a(n) ______ software development methodology.

adaptive

Agile and RAD is a(n) __________ software development methodology

What is a multifunction device?

Also called an all-in-one printer; can serve as an input device by copying and scanning, as well as an output device by faxing and printing

true

An EULA grants permission for one installation

Bike or bicycle

An aerodynamic ____ designed using software from Neural Concept, broke two university human powered world speed records.

bike

An aerodynamic __________ designed using software from Neural Concept, broke two university human powered world speed records

What is a bus?

An electronic channel that allows the CPU and various devices inside or attached to a computer to communicate

What is a USB hub?

An external device that contains many USB ports.

Swap file/ paging file:

Area of the hard drive temporarily used to store data that cannot fit in RAM

What unit performs the executing and storing steps of the machine cycle?

Arithmetic logic unit

You type out a few sentences in an MS Word file, and save it on your desktop. How is this data stored in the computer?

As a combination of 1s and 0s

true

Before you name your website, you will need to do a search for other sites using that name and then purchase a domain name or register the name from a website builder.

False

Big Data is processed using relational databases

In which format is data finally stored in computers?

Binary digits

How do computers represent data?

Binary system

Smalles unit of data a computer can process:

Bit

Which of these is an optical medium of storage?

Blu-ray discs

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow?

Bottlenecking

What determines the speed at which data travels?

Bus width

How is the efficiency of a CPU measured?

By instructions per cycle (IPC)

Optical media:

CD, DVD

What is optical media?

CDs, DVDs, and Blu-ray discs (BDs), use laser technology for storage and playback.

D. Appearance

CSS (Cascading Style Sheets) lets you change the ____ of a website. A. Behavior B. Structure C. Speed D. Appearance

appearance

CSS (Cascading Style Sheets) lets you change the __________ of a website

True

CSS to create the formatting of webpages on different devices

Output Device:

Conveys information from the computer to the user

What is an output device?

Conveys information from the computer to the user. Common output devices include displays, speakers, headphones, projectors, and printers.

Before attempting to restore operating systems, what should you do?

Copy all personal files to a separate storage device

Printer:

Creates a hard copt output on paper, film, or other media -Can be connected via cable, network, or wirelessly

What is a printer?

Creates hard copy output on paper, film, and other media.

3-D Printer:

Creates objects based on computer models using special plastics and other materials

What is a 3-D printer?

Creates objects based on computer models using special plastics and other materials

Some software lets you choose between standard and _____ installation.

Custom

Which of the following problematic behaviors relies on the use of digital technology?

Cyberbullying

Morgan needs to hire someone to help implement a business intelligence system for her company. What type of professional would be the best fit for this job?

Data Analyst

Ex of form factors:

Desktop, laptop, and tablets

What is word size?

Determines the speed at which data in a computer travels, also referred to as bus width.

What is the bus width?

Determines the speed at which data in a computer travels, also referred to as word size.

Native app

Developing an app for a specific purpose and device that would run even when the computer is not connected to the internet. What app type should be developed

B. Native app

Developing an app for a specific purpose and device that would run even when the computer is not connected to the internet. What app type should be developed? A. Mobile app B. Native app C. Web-based app D. Cloud-based app

Surge Suppressor:

Device that prevents power fluctuations from damaging electronic components

Bruce realizes he's getting a cramp in his neck after texting with his buddy for several minutes. He puts the phone down and takes his dog for a walk. This is an example of ____________.

Digital Citizenship

Curtis decided to leave his smartphone in his car as he heads out for a day long hike. This is an example of a ______________.

Digital Detox

Jason is reading a novel for school on his e-reader. He tries to print a portion of the novel so he can share it with a classmate who lost her copy. However, the e-reader will not allow the book to be printed. What content protection measure is preventing Jason from printing?

Digital Rights Management (DRM)

Projectors:

Display output from a computer on a large surface such as a wall or screen

Ex of output device:

Display, speakers, headphone, projectors, and printers

What are projectors?

Displays visual output from a computer on a large surface such as a wall or screen.

In which of the following storage device(s) does memory need to be constantly recharged to retain the contents?

Dynamic RAM (DRAM)

Which of the following types of RAM needs to be constantly recharged to retain the contents?

Dynamic RAM (DRAM)

True

EULA grants permission for one installation

What does data travel in and out of the CPU through?

Embedded wires called Bus

A joystick is a pen-type input device used to draw and tap icons.

False

A joystick is a pen-type input device used to draw and tap on icons. (T/F)

False

All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.

False

All-in-one computers are easier to service and upgrade but occupy more space than desktop computers. (T/F)

False

Binary code uses alphanumeric characters to represent all values. (T/F)

False

Console systems only allow one gamepad to be used at a time. (T/F)

False

In order to support file sharing, your PC must run a network operating system. (T/F)

False

Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations

False

Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations. (T/F)

False

Random access memory is a permanent storage location. (T/F)

False

Speech recognition refers to a computer's ability to record and edit human speech. (T/F)

False

T/F: All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.

False

T/F: Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations.

False

The System Restore command in Windows returns deleted or modified documents. (T/F)

False

Bottlenecking:

Fast CPU, but slow bus speed

What is flash memory?

Fast type of memory that typically is less expensive than some other types of RAM, and can retain its contents in the absence of power *nonvolatile*

Flash Memory:

Fast type of memory that typically is less expensive than some there types of RAM, and can retain its contents in the absence of power

Surya's computer monitor display does not seem to work despite repeated attempts to fix the issue. Which of the following is most likely to be causing display problems?

Faulty power or video cable

What is the correct sequence of processing instructions in a machine cycle?

Fetch Decode Execute Store

The root directory is the main list of _______.

Files and folders on the drive

What is a game controller?

Game controller held in both hands that controls the movement and actions of players or objects.

What is motion-sensing controller?

Game controller that allows users to guide on-screen elements with air gestures.

What is a joystick?

Game controller with a handheld vertical lever, mounted on a base, that you move in different directions to control the actions of the simulated vehicle or player.

Which of the following is a game controller that is held with both hands and used to control movement of on-screen objects by pressing buttons and moving hardware components?

Gamepad

Ex of cloud storage:

Google drive, Microsoft one drive, drop box

False

Google's BERT AI natural language processing has been obsoleted by its new AI natural language processing named CHRIS

false

Google's BERT AI natural language processing has been obsoleted by its new AI natural language processing named CHRIS.

False

HTML coding does not allow for lists using bullets, all lists must be numbered

false

HTML coding does not allow for lists using bullets, all lists must be numbered.

Which of these hardware components can you use to store videos?

Hard drive

Rocco runs a software firm that creates database management systems for other businesses. How can he ensure that his employees' computers remain protected from viruses and other malware?

He should have periodic anti-virus scanning and software upgraded on all computers

Rocco runs a software firm that creates database management systems for other businesses. How can he ensure that his employees' computers remain protected from viruses and other malware?

He should have periodic anti-virus scanning and software upgraded on all computers.

Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him?

He should make sure to bring a tablet

Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him?

He should make sure to bring a tablet.

Alex needs to email his graduation certificate to a prospective employer. He has only physical copies of the certificate. What device could he use to perform the task?

He should use a scanner, which would convert an image into an electronic file.

Ryan wants to install a new operating system on his laptop, but first he needs to safely store all his data - over 80 GB - so he doesn't lose any of his files. How should Ryan back up all his data?

He should use an external hard drive to store the data because the amount of data he needs to store is quite large.

Computer memory is responsible for:

Holding data and programs as they are being processed by the CPU

A. You pay nothing, it's free.

How should you pay for Apache OpenOffice? A. You pay nothing, it's free. B. Pay online and then download. C. You pay an annual fee. D. You pay a monthly subscription.

What should you do if a headset plugged into your computer is not working properly?

INCORRECT: plug headphones back in

When Alice turned on her laptop this morning, the screen displayed only colorful horizontal lines. Which of the following is most likely to have a problem?

If you are experiencing a problem with your operating system, often characterized by programs and apps not properly starting, persistent error messages, or slow performance, you should consider restoring the operating system there might be a problem with the video card. The video card is a circuit board that processes image signals. Consider taking the computer to a professional for repair.

What is a webcam?

In Computer Concepts, a camera built-in to a computer, which is primarily used for videoconferencing, chatting, or online gaming.

what is a pointing device?

In Computer Concepts, a device used to point to and select specific objects on the computer screen. Examples of point devices include a mouse, touchpad, and trackball.

What is ASCII?

In Computer Concepts, an 8-bit coding scheme, which means that 8 bits are used to represent uppercase and lowercase letters, mathematical operators, and logical operations.

What are plug-n-play devices

In Computer Concepts, devices that begin functioning properly as soon as you connect them to your computer.

What is virtual memory?

In Computer Concepts, the capability of an operating system to temporarily store data on a storage medium until it can be "swapped" into RAM.

A. Class

In OOP, a(n) ____ defines the format of an object and the actions the object can perform? A. Class B. Compiler C. Interpreter D. Debugger

class

In OOP, a(n) ___________ defines the format of an object and the actions the object can perform

Smell

In a paper published on Arxis, researchers from Google Brain are training AI to recognize ____.

smell

In a paper published on Arxis, researchers from Google Brain are training AI to recognize ___________

B. Records

In a relational database, data is organized into rows of data called A. Fields B. Records C. Tables D. Views

Where on a computer is the operating system generally stored?

Internal hard drive

Laptops, all-in-one desktops, and smartphones usually have _____.

Internal microphones

false

It has been reported that the internet is safe for minors.

Automation or Robots

It is projected that the US workers will need protection from ____ in the future.

Ex of input devices:

Keyboard, touchscreen, mouse, stylus, scanner, webcam, microphone, and game controller

What is a plotter printer?

Large-format printer that uses charged wires to produce high-quality drawings for professional applications such as architectural blueprints; plotters draw continuous lines on large rolls of paper

DRAM:

Memory needs to be constantly recharged or contents will be erased

What is dynamic RAM (DRAM)?

Memory needs to be constantly recharged or contents will be erased *volatile*

Volatile Memory:

Memory that loses its contents when power is removed

What is Magnetoresistinve RAM?

Memory uses magnetic charges to store contents, and can retain its contents in the absence of power *nonvolatile*

MRAM:

Memory uses magnetic charges to store continents, and can retain its contents in the absence of power

True

Microsoft Office, Apple iWork and OpenOffice are examples of software suites

true

Microsoft Office, Apple iWork, and OpenOffice are examples of software suites.

A fitness tracker is an example of a(n) ______ device.

Mixed

Third Generation

Most programming languages being used today are ____ or procedural languages.

3rd generation

Most programming languages being used today are __________ or procedural languages

Planning Analysis Design Implementation (deployment) Support/Security (maintenance)

Name three of the five Software Development Life Cycle phases.

What rules should guide your behavior when you interact with friends and coworkers on social media?

Netiquette

A computer typically connects to a router via a _______.

Network interface card

What are headphones?

Output device that consists of a pair of small listening devices that fit into a band placed over your ears.

Now discussing output devices: What are speakers?

Output devices used to convey audio output, such as music, voice, sound effects, or other sounds.

Paige is designing a web page that will contain instructions for how to use a new web conferencing tool at her work. She formats best practice tips in green, and she formats warning information in red. Which employees might struggle with this formatting?

People with color blindness

Benchmarking is an evaluation of _____.

Performance

Hardware maintenance involves:

Performing tasks to keep the computers physical components in good working order

How do the BIOS tell your computer to start?

Performs a power-on self test to test computer components for proper operations

Add-on device is also called:

Peripheral device

When considering a computer to purchase, which of the following factors involves the operating system of the computer?

Platform

_____ can occur when recording words containing the letters "p" and "b".

Plosives

What devices do not need device drivers to be manually installed, and start to function as soon as they are connected to a computer?

Plug-and-play devices

Laptop:

Portable computer that is smaller than the average briefcase and light enough to carry comfortably

Mobile devices:

Portable or handheld with a size of 10.1 inches or smaller

True

Preinstalled programs and apps may be included as part of a marketing agreement between the device's manufacturer and a software development company

true

Preinstalled programs and apps may be included as part of a marketing agreement between the device's manufacturer and a software development company.

Which of these is not an input device?

Printer

Which of these is not an input device?

Printer Examples of input devices: - Stylus - Scanner - Webcam

Ink Jet Printer:

Prints by spraying small dots of colored ink onto paper

Jennifer turns on her laptop and hears a series of beeps. What do they probably indicate?

Refer to your computer's documentation to determine what the beeps indicate, as the computer hardware may be experiencing a problem.

Form factor:

Refers to the shop and size of the computer

true

Relational Database consist of a collection of tables where items are organized in columns and rows

Genevieve loves playing video games with friends on her Xbox connected to her TV. However, she's careful to get up, stretch, and walk around at least once every hour. What problem is this habit most likely helping her avoid?

Repetitive strain injury

false

Research have shown that the age of 25 is the best age to start an entrepreneur business.

False

Research have shown that the age of 25 is the best age to start and entrepreneur business

Laney just bought a new smartphone. She's already downloaded her contacts information and other data from the cloud. Now she's copying her photos from her old phone onto the new device. Once her new phone has all her data, what should she do next with the old phone?

Reset the old phone to factory settings.

If the image seems stretched, your computer's display may not be set to the default _____.

Resolution

Arithmetic Logic Unit (ALU):

Responsible for performing arithmetic operations

What is the arithmetic logic unit (ALU)?

Responsible for performing arithmetic operations in the CPU

What is restoring?

Returning an operating system or files to their default settings, or migrating back to the operating system's previous version.

B. 4GL or Task Oriented

Ruby and SQL are examples of what type of language? A. 3GL or Procedural B. 4GL or Task-Oriented C. 2GL or Assembly D. 1GL or Machine

What is the correct way to update a device driver?

Run the update within the OS or the latest software from the device manufacturer's website

What is a mobile printer?

Small, lightweight printer that is built into or attached to a mobile device for mobile printing

You should unplug your computer if you _____.

Smell burning or see smoke rising from it

Platform:

Software or operating system a computer uses

Tape Drive:

Storage device that stores data on magnetic tapes

What is an external hard drive?

Storage drive housed in a separate case, and typically connected to your computer using a USB cable. * can be magnetic or solid state

What are storages devices designed to do?

Store data and information for extended periods of time

What is cloud storage?

Storing electronic files on the Internet, not on a local computer; often called storing data "in the cloud."

Internal hard drive:

Story your operating system and apps you're currently using

C. Phases

System development activities often are grouped into larger categories called ______. A. Deliverables B. Objects C. Phases D. Standards

phases

System development activities often are grouped into larger categories called __________

cross-platform

Tools that developers can use to build apps that work on multiple platforms, rather than writing different code for Android or iPhone devices are called ______ tools.

cross platform

Tools that developers can use to build apps that work on multiple platforms, rather than writing different code for Android or iPhone devices are called __________ tools

To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step?

Transfer contents to an external storage device

To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step?

Transfer contents to an external storage device.

A CPU converts the data entered through the keyboard into output displayed on the monitor

True

A CPU converts the data entered through the keyboard into output displayed on the monitor.

True

A CPU converts the data entered through the keyboard into output displayed on the monitor. (T/F)

True

A device driver is a program that controls a device attached to the computer.

True

A device driver is a program that controls a device attached to the computer. (T/F)

True

A specific touch motion you use to issue commands is called a gesture. (T/F)

True

A stylus is an input device. (T/F)

True

External hardware can be connected without wires or cables. (T/F)

True

Ink-jet printers use pressurized nozzles to spray ink onto paper. (T/F)

True

It is advised to fully charge the battery of a laptop before using it for the first time.

True

It is advised to fully charge the battery of a laptop before using it for the first time. (T/F)

True

Peripheral devices, like a USB flash drive, are generally connected to your computer through ports

True

Peripheral devices, like a USB flash drive, are generally connected to your computer through ports. (T/F)

True

Solid state drives are more durable than hard disk drives. (T/F)

True

Storage device problems can prevent a computer from starting up properly. (T/F)

True

T/F: A CPU converts the data entered through the keyboard into output displayed on the monitor.

True

T/F: A device driver is a program that controls a device attached to the computer.

True

T/F: It is advised to fully charge the battery of a laptop before using it for the first time.

True

T/F: Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.

True

T/F: We can use Unicode coding scheme to support a larger variety of characters including Chinese, Japanese, and Arabic.

True

We can use Unicode coding scheme to support a larger variety of characters including Chinese, Japanese, and Arabic. (T/F)

True

Input deices:

Used to communicate instructions or commands to a computer

Microphone:

Used to enter voice or sound data into a computer

What is a microphone?

Used to enter voice or sound data into a computer.

Pointing Device:

Used to point to and select specific objects on the computer screen

Which of the following is a necessary step in maintaining computer hardware?

Using a UPS or a surge processor

What are voice synthesizers?

Voice output that converts text to speech.

Software that converts text into speech is called a ______.

Voice synthesizer

What device do e-learning applications usually use to help users with visual impairment read digital content?

Voice synthesizer

DRAM and SRAM have what kind of memory?

Volatile

External hard drive:

Want to completely back up the contents of your computer

What determines the speed at which data travels? A. Bus width B. Clock speed C. Instructions per cycle (IPC) D. RAM capacity

What device do e-learning applications usually use to help users with visual impairment read digital content? A. Projector B. Plotter C. Motion-sensing controller D. Voice synthesizer

JavaScript

What is a popular language for writing client-side scripts or scripts that run in your browser to control a webpage's behavior

C. JavaScript

What is a popular language for writing client-side scripts or scripts that run in your browser to control a webpage's behavior? A. HTML B. CSS C. JavaScript D. Python

What is the first step to performing hardware maintenance? A. Turn off the computer and remove its power source. B. Install anti-virus software. C. Disconnect all the input and output devices. D. Disconnect the UPS and surge suppressor.

What performance specification does 2 GHz refer to? A. Speed at which the processor executes instructions B. Speed at which data travels C. Time taken to fetch and decode instructions D. Time taken to store the instructions on RAM

What printer is commonly used to produce high-quality professional drawings such as architectural blueprints? A. Ink-jet printer B. Laser printer C. Plotter D. Mobile printer

false

When including an image in HTML code, you would use the <a href> tag.

ensure the availability of critical applications supplied by remote vendors

When introducing infrastructure changes, organizations using cloud computing must __________.

When should a user consider restoring the operating system?

When programs or apps do not start properly

JavaScript

When you can click a button on a website to run code to change the font size, the code that changes the font dynamically probably is __________

C. JavaScript

When you can click a button on a website to run code to change the font size, the code that changes the font dynamically probably is: A. HTML B. CSS C. JavaScript D. XML

False

When you log into your email with your username and password, you log into a static website, since the look and feel is the same each time

false

When you log into your email with your username and password, you log into a static website, since the look and feel is the same each time.

Where on a computer is the operating system generally stored? A. RAM B. Internal hard drive C. Flash drive D. Virtual memory

Infrastructure as a Service (IaaS)

Which of the following cloud computing service structures provides only the basic capabilities of processing, storage, and networking?

Setting up its own satellite links to be independent from the local, unreliable communications networks

Which of the following infrastructure plans should the rm consider implementing?

Which of the following is a necessary step in maintaining computer hardware? A. Connecting peripheral devices to computer B. Rebooting the computer often C. Using a UPS or a surge processor D. Cleaning air vents

An extranet

Which of the following is a private network that allows two or more rms to use the Internet to do business together?

Google Play Store

Which of the following is a valid app sources (store) for Android users

A. Google Play Store

Which of the following is a valid app sources (store) for Android users? A. Google Play Store B. Apple App Store C. Microsoft Store D. Amazon Store

Voice over IP

Which of the following is an example of IP convergence?

Changing the power-saving setting on all of an organization's computers

Which of the following is an example of green computing?

The end of the personal computer era

Which of the following is associated with the fourth generation of computing, which began in the 1990s?

converting

Which of the following is not a phase in the Software (system) Development Life Cycle (SDLC)

B. Converting

Which of the following is not a phase in the Software Development Life Cycle (SDLC)? A. Analysis B. Converting C. Design D. Implementation

It is a private network that is used exclusively within an organization.

Which of the following is the denition of an intranet?

www.mayo.edu

Which of the following is the domain name for www.mayo.edu/research?

Making request for services

Which of the following is the role of a client computer in client-server computing?

They can be used by anyone on a pay-per-use basis.

Which of the following is true of public clouds?

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow? A. Bottlenecking B. Clock speed C. Reboot D. Instructions per cycle (IPC)

Which of these hardware components can you use to store videos? A. External RAM B. Floppy disk C. Hard drive D. Motherboard

Which of these is not an input device? A. Stylus B. Scanner C. Printer D. Webcam

names of website users

Which of these usually is NOT collected by a website analytics tool

B. Names of website visitors

Which of these usually is NOT collected by a website analytics tool? A. Number of visitors online B. Names of website visitors C. Time visitors spend on website D. Type of device viewing website

Scripting Language

____ are programming languages used to code webpage scripts, such as Python, Java, JavaScript, PHP, Ruby, or C#.

Creative Commons

____ is a non-profit organization that makes it easy for content creators to license and share their work by supplying easy to understand copyright licenses; the creator chooses the conditions under which the work can be used.

Big Data

____ is large and complex data sources that defy easy handling with traditional data processing methods.

Deprecated

_____ tags describe an older HTML tag whose continued use is discouraged because of newer techniques have been created to accomplish the same result.

A. Freeware

________ refers to a program that is copyrighted and provided at no cost, but the developer retains all rights to the product. A. Freeware B. Open source C. Public domain D. Shareware

scripting language

__________ are programming languages used to code webpage scripts, such as Python, Java, JavaScript, PHP, Ruby, or C#

Grid computing

__________ consists of remote computers connected in a single network to create a virtual supercomputer.

Creative Commons

__________ is a non-profit organization that makes it easy for content creators to license and share their work by supplying easy to understand copyright licenses; the creator chooses the conditions under which the work can be used.

HTML

__________ is a page description language for specifying how text, graphics, video, and sound are placed on a Web page.

Waterfall

__________ is a predictive software development methodology.

deprecated

__________ tags describe an older HTML tag whose continued use is discouraged because of newer techniques have been created to accomplish the some result

Surya's computer monitor display does not seem to work despite repeated attempts to fix the issue. Which of the following is most likely to be causing display problems? A. Faulty power or video cable B. Improperly connected keyboard C. Dysfunctional UPS D. Power fluctuation

What could cause an external drive, like a USB flash drive, to not be recognized when plugged into a computer? a. A faulty port b. A dusty computer vent c. Insufficient space on the hard disk drive d. An issue with internet connectivity

What is the correct sequence of processing instructions in a machine cycle? A. Fetch decode execute store B. Fetch store decode execute C. Fetch execute decode store D. Decode fetch store execute

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow? A. Bottlenecking B. Clock speed C. Reboot D. Instructions per cycle (IPC)

Which of these is an optical medium of storage? a. Blu-ray discs b. Solid state drive c. Cloud storage d. HDD

Each 0 or 1 represents what?

a bit (short for binary digits)

What is a solid state drive (SSD)?

a hard drive without moving parts and is faster and more durable than magnetic

Marley stayed up late to watch the planet Mars rise in the east. She had read online that Mars was unusually close to the Earth in its orbit and would look nearly as large as the moon. However, she only saw stars, and the next morning she ended up oversleeping because of her late bedtime. Marley was the victim of __________.

a hoax

One a computer what is the most likely input device?

a keyboard

What is the binary system?

a number system with two digits, 0 and 1

Where can a processor store data?

a processor cache Stores frequently used data next to the processor so that it can easily and quickly be retrieved.

What can a byte represent?

a single character in the computer

false

a software suite is a single program that have modules for business applications such as word-processing, spreadsheet, and presentation.

One a mobile device what is the most likely input device?

a touchscreen

What is a processor core?

a unit on the processor with the circuitry necessary to execute instructions

What is a keyboard?

an input device that contains keys you can press to enter letters, numbers, and symbols

Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him? A. He should be using an all-in-one computer. B. He should always find a desktop computer. C. He should make sure to bring a tablet. D. He should be sure to carry his laptop.

Rocco runs a software firm that creates database management systems for other businesses. How can he ensure that his employees' computers remain protected from viruses and other malware? A. He should have additional RAM installed on all the computers. B. He should have the hard disks on all the computers defragmented periodically. C. He should have periodic anti-virus scanning and software upgraded on all computers. D. He should have the hardware components like the monitor, keyboard, and CPU vents periodically cleaned.

What devices do not need device drivers to be manually installed, and start to function as soon as they are connected to a computer? a. Printers b. Monitors c. Plug-and-play devices d. Video cards

What printer is commonly used to produce high-quality professional drawings such as architectural blueprints? A. Ink-jet printer B. Laser printer C. Plotter D. Mobile printer

Which of the following is a necessary step in maintaining computer hardware? a. Connecting peripheral devices to computer b. Rebooting the computer often c. Using a UPS or a surge processor d. Cleaning air vents

Which of these hardware components can you use to store videos? A. External RAM B. Floppy disk C. Hard drive D. Motherboard

Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer and a mouse? A. A laptop B. An all-in-one computer C. A desktop computer D. A tablet

Which of the following factors can affect processor performance of a CPU?

clock speed & bus width

True

What device do e-learning applications usually use to help users with visual impairment read digital content? a. Projector b. Plotter c. Motion-sensing controller d. Voice synthesizer

Which is the most suitable device to use in a classroom or a conference room to deliver presentations? A. Printer B. Voice synthesizer C. Headset D. Projector

What is a bug?

data travels in and out of the CPU through embedded wires

Which data repository type is most likely to include database tables and primary keys in its internal data structure?

data warehouse

Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer and a mouse?

desktop computer

What are the three main types of computer form factors?

desktops, laptops, and tablets

During a regional state of emergency, an Internet service provider offered three months of free Internet access to anyone affected by the crisis. This effort was intended to help reduce the impact of ___________.

digital divide

Josie is scrolling through her social media newsfeed when she sees a photo of her that a friend posted. The photo is embarrassing and was taken without Josie's knowledge when she was staying at the friend's house. Josie requests the photo be taken down. Josie is managing her own ___________.

digital footprint

Brad donates his old phone to a nearby charity, which refurbishes phones and offers them at no cost to challenged populations in the area. These people can use the free phones to help them find housing, employment, and other community resources. This program supports ______________.

digital inclusion

In computers and mobile devices, the most common output device is the ?

display device

False

embedded objects such as menu commands and content placeholders CANNOT be inserted into a presentation

false

embedded objects such as menu commands and content placeholders CANNOT be inserted into a presentation

T/F: All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.

false

T/F: Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations.

false

What would you use to store your operating system and apps that you are currently using?

internal hard drive

The author

is always protected, regardless of the author applying for legal protections

Big Data

is very large amounts of data that cannot be effectively processed in relational databases

What also does the BIOS do?

it performs a power-self test (POST)

What are some other computer platforms?

linux, google andriod and apple ios

True

local application can be accessed on the computers on which they are installed

true

local application can be accessed on the computers on which they are installed

What are processors with multiple cores?

multi-core processors

What is memory the does not lose its contents when power is removed?

nonvolatile

What is Read only memory (ROM)?

permanently installed on your computer and is attached to the motherboard

What is the third thing that ROM does?

provided the means of communication between the operating system and hardware devices

True

regional database consist of a collection of tables where items are organized in columns and rows

What is computer memory?

responsible for holding data and programs as they are being processed by the CPU

Alex needs to email his graduation certificate to a prospective employer. He has only physical copies of the certificate. What device could he use to create an electronic copy of the certificate?

scanner

What type of hard drive has no moving parts, making it fast and durable?

solid state drive

When Hafsa writes a research paper for her psychology class, ________________ allow(s) her to quote small portions of a research study published by an industry leading expert without asking his permission first.

the fair use doctrine

What does the digit 1 indicate?

the presence of an electrical charge

img tag

to include an image in an HTML code you would use...

Which of the following is/are classified as input device(s)?

touchpad, webcam, mouse

Peripheral devices, like a USB flash drive, are generally connected to you computer through ports.

true

T/F: A CPU converts the data entered through the keyboard into output displayed on the monitor.

true

T/F: It is advised to fully charge the battery of a laptop before using it for the first time.

true

T/F: Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.

true

T/F:A device driver is a program that controls a device attached to the computer.

true

T/F:We can use Unicode coding scheme to support a larger variety of characters including Chinese, Japanese, and Arabic.

true

True or false: Processors with more cores typically perform better and are most expensive that processors with fewer cores

true

a device driver is a program that controls a device attached to the computer

true

it is advised to fully charge the batter of a laptop before using it for the first tiem

true

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