ISDS Module 3

a stylus is an input device T/F

true

hardware specifications include which of the following

-RAM -CPU

What is the recommended solution if a computer performs slowly?

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

speakers and headphones can connect to devices using...

-a 3.5mm audio jack -bluetooth -USB

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

Control Unit and Arithmetic Logic Unit

when using a Windows Internet browser, pressing ____ reloads a page

F5

in which format is data finally stored in computers?

binary digits

which of these is an optical medium of storage?

blu-ray discs

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

desktop computers

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

false

console systems only allow one gamepad to be used at a time T/F

false

a fitness tracker is an example of a(n) _____ device

mixed

a computer typically connects to a router via a...

network interface card

_______ recognition converts scanned documents into editable text

optical character

benchmarking is an evaluation of...

performance

______ can occur when recording words containing the letter "p" and "b".

plosives

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

plotter

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

which of these is not an input device?

printer

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

projector

RAID stands for...

redundant array of independent disks

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

resolution

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

you should unplug your computer if you...

smell burning or see smoke rising from it

modern processors often have ______ levels of cache

three

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

voice synthesizer

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?

-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.

which of the following are examples of pointing devices

-mouse -touchpad

overheating caused by direct sunlight can damage the...

-processor -LCD screen -hard drive

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

Fetch decode execute store

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

a desktop computer

you type out a few sentences in a MS Word file, and save it on your desktop. how is the data stored in the computer?

as a combination of 1s and 0s

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

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

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

what performance specification does 2 GHz refer to?

speed at which the processor executes instructions

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

true

a specific touch motion you use to issue commands is called a gesture T/F

true

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

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

-optical media -external hard drive

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

-software and applications you intend to use -storage capacity

the main categories of software are...

-system -application -development

a laptop typically includes a...

-touchpad or trackpad -keyboard

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 apps do not respond properly -when the computer is slow

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

a faulty port

random access memory (RAM) is a permanent storage location T/F

false

the root directory is the main list of...

files and folders on the drive

solid state hard drives are a type of _________ memory

flash

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

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

internal microphones

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

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

true

external hardware can be connected without wires or cables T/F

true

storage device problems can prevent a computer from starting up properly T/F

true

the connector on a USB flash drive allows transmission of both data and power T/F

true

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

true

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

using a UPS or a surge processor

the two categories of system software are...

utilities and operating systems

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.

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.

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

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.

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.

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

false

binary code uses alphanumeric character to represent all values 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 T/F

false

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

false

the System Restore command in Windows returns deleted or modified documents T/F

false

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

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

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

hard drive

ink-jet printers use pressurized nozzles to spray ink onto paper T/F

true

solid state drives are more durable than hard disk drives T/F

true

you can easily rearrange clips by dragging them T/F

true

what is the first step to performing hardware maintenance?

turn off the computer and remove its power source

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?

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

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

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

-storing programs -storing apps - virtual memory

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.

some software lets you choose between standard and ______ installation

custom

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

dynamic RAM (DRAM)

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.

where on a computer is the operating system generally stored?

internal hard-drive

software that converts text into speech is called a...

voice synthesizer

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