ISDS Module Three

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

A. A faulty port

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

C. 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? 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.

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

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

True

Which of the following is classified as input device? A. Flash drive B. Earbuds C. Webcam D. Speakers

webcam

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

A desktop compute

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? A. As a combination of 1s and 0s B. As a combination of letters C. As a combination of special characters D. As a combination of 6s and 9s

A. As a combination of 1s and 0s

Which of these is an optical medium of storage? A. Blu-ray discs B. Solid state drive C. Cloud storage D. HDD

A. Blu-ray discs

Interference is a common problem with _____ devices. Select all that apply. A. Bluetooth B. USB C. HDMI D. wireless

A. Bluetooth D. wireless

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)

A. Bottlenecking

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

A. Bus width

Which of the following devices is the easiest to upgrade, such as by adding RAM? A. Desktop computers B. Tablets C. Smartphones D. Laptops

A. Desktop computers

Which of the following types of RAM needs to be constantly recharged to retain the contents? A. Dynamic RAM (DRAM) B. Static RAM (SRAM) C. Magnetoresistive RAM (MRAM) D. Flash Memory

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 B. Improperly connected keyboard C. Dysfunctional UPS D. Power fluctuation

A. Faulty power or video cable

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

A. Fetch decode execute store

If you want to share a document for others to view and edit, which of the following should you do? A. Save the document to OneDrive. B. Save the document as a webpage. C. Present the document online. D. Export the document as a PDF.

A. Save the document to OneDrive.

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

A. Speed at which the processor executes instructions

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.

A. Turn off the computer and remove its power source.

When should a user consider restoring the operating system? A. When programs or apps do not start properly B. When the monitor does not display anything C. When you cannot print documents D. When you can't connect to the Internet

A. When programs or apps do not start properly

What is the binary system? A. a number system with two digits, 0 and 1 B. an 8-bit coding scheme C. a number system with 10 digits, 0-9 D. a 16-bit coding scheme

A. a number system with two digits, 0 and 1

Cloud storage is ______. Select all that apply. A. an Internet service that provides remote data storage B. a safe and easy backup option for many consumers C. accessible without an Internet connection D. good for sharing links to large files

A. an Internet service that provides remote data storage B. a safe and easy backup option for many consumers D. good for sharing links to large files

Which type of memory is permanently installed on your computer and attached to the motherboard? A. read-only memory (ROM) B. random access memory (RAM) C. processor cache D. virtual memory

A. read-only memory (ROM)

An operating system uses available storage space on a startup drive for _____. Select all that apply. A. storing programs B. virtual memory C. storing apps D. virtual reality

A. storing programs B. virtual memory C. storing apps

When a CPU executes instructions as it converts input into output, it does so with _____. A. the control unit and the arithmetic logic unit B. the hard drive and RAM C. the cache and the motherboard D. RAM and ROM

A. the control unit and the arithmetic logic unit

A laptop (notebook) typically includes a _______. (Please select all that apply) A. touchpad or trackpad B. keyboard C. mouse D. non-rechargeable battery

A. touchpad or trackpad B. keyboard

The two categories of system software are _______. A. utilities and operating systems B. development tools and device drivers C. vertical market and horizontal market D. desktop and mobile

A. utilities and operating systems

Speakers and headphones can connect to devices using _____. Select all that apply. A. VGA cables B. Bluetooth C. a 3.5mm audio jack D. USB

B. Bluetooth C. a 3.5mm audio jack D. USB

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

B. Internal hard drive

Overheating caused by direct sunlight can damage the _____. Select all that apply. A. operating system B. LCD screen C. processor D. hard drive

B. LCD screen C. processor D. hard drive

_____ can occur when recording words containing the letters "p" and "b". A. Fricatives B. Plosives C. Sibilants D. Nasals

B. Plosives

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? A. Form factor - some games do not run on laptops B. Processor core - some applications, especially games, have greater processor requirements C. Size - larger desktops provide more physical space for memory storage, increasing efficiency D. External hard disk capacity - provides additional temporary storage needed to run heavy applications

B. Processor core - some applications, especially games, have greater processor

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.

B. Transfer contents to an external storage device.

What should you do if a headset plugged into your computer is not working properly? A. Unplug the headset. B. Update the device driver. C. Replace the computer's power cord. D. Upgrade RAM.

B. Update the device driver.

Alessandro wants to use his desktop computer to video chat with his mother. What hardware does he need to accomplish this? A. Use a webcam and scanner to ensure that the quality of the call is good. B. Use his webcam and speakers so that he and his mother can both see and hear each other. C. Use his keyboard, monitor, and speakers so that both he and his mother can see, hear, and even text each other. D. Use his projector and webcam so that both he and his mother can clearly see and hear each other.

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

The main categories of software are _______. Select all that apply. A. scripting B. application C. system D. development

B. application C. system D. development

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? A. in ROM B. in RAM C. in the ALU D. in the core

B. in RAM

Laptops, all-in-one desktops, and smartphones usually have _____. A. external microphones B. internal microphones C. USB microphones D. headset microphones

B. internal microphones

Which of the following are examples of pointing devices? Select all that apply. A. keyboard B. mouse C. touchpad D. scanner

B. mouse C. touchpad

A computer typically connects to a router via a _______. A. modem B. network interface card C. repeater D. networked computer

B. network interface card

When considering a computer to purchase, which of the following factors involves the operating system of the computer? A. form factor B. platform C. hardware specifications D. add-on devices

B. platform

You should unplug your computer if you _____. A. start it up and the desktop appears B. smell burning or see smoke rising from it C. are recharging the batteries D. sense an electrostatic discharge

B. smell burning or see smoke rising from it

What type of hard drive has no moving parts, making it fast and durable? A. magnetic hard drive B. solid state drive C. DVD D. tape drive

B. solid state drive

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. The CPU stores the keystroke as the letter 'A' and displays it on the screen. B. The keyboard transfers the letter 'A' directly to the monitor, without passing through the CPU. C. 'A' is converted to binary code, which the CPU processes. The computer then converts the code back 'A' for display. D. 'A' is converted to special characters, which the screen translates back to 'A' for display.

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

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? A. RAM B. ROM C. Cloud storage D. Compact disk

C. Cloud storage

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.

C. He should make sure to bring a tablet.

What is the recommended solution if a computer performs slowly? A. Decrease the brightness of the display. B. Install anti-virus software. C. Install additional RAM. D. Verify if the AC adapter is connected properly.

C. Install additional RAM.

_______ recognition converts scanned documents into editable text. A. PDF image B. Visual text C. Optical character D. Scanned text

C. Optical character

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

C. Plug-and-play devices

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

C. Using a UPS or a surge processor

The root directory is the main list of _______. A. files that have not yet been saved to disk B. recently deleted files and folders C. files and folders on the drive D. files and folders within a subdirectory

C. files and folders on the drive

Jennifer turns on her laptop and hears a series of beeps. What do they probably indicate? A. operating system error B. out-of-date device driver C. internal hardware problem D. low battery

C. internal hardware problem

Benchmarking is an evaluation of _____. A. feasibility B. feasibility C. performance D. usefulness

C. performance

RAID stands for _________. A. redundancy applied to independent disks B. redundant array of independent disks C. redundant array of individual disks D. residual array of individual disks

C. redundant array of individual disks

Software that converts text into speech is called a ______. A. voice converter B. text converter C. voice synthesizer D. text synthesizer

C. voice synthesizer

When using a Windows Internet browser, pressing _____ reloads a page. A. F7 B. F3 C. F1 D. F5

D. F5

What is the most common type of storage device for transferring files from one computer to another? A. tape drive B. internal hard drive C. memory card D. USB flash drive

D. USB flash drive

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

D. Voice synthesizer

If the image seems stretched, your computer's display may not be set to the default _____. A. contrast B. brightness C. bitrate D. resolution

D. resolution

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

False

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

Projector

Hardware specifications include which of the following? Select all that apply. A. RAM B. DNS C. OS D. CPU

RAM CPU

Which of the following factors can affect processor performance of a CPU? A. Clock speed B. Benchmark C. Hard drive space D. Number of peripheral devices connected

clock speed

Some software lets you choose between standard and _____ installation. A. anonymous B. complex C. custom D. virtual

custom

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

false

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

false

Speech recognition refers to a computer's ability to record and edit human speech. True False

false

Solid state hard drives are a type of _________ memory. A. magnetic B. random-access C. flash D. DVD

flash

A fitness tracker is an example of a(n) ______ device. A. input B. output C. virtual D. mixed

mixed

Binary code uses alphanumeric characters to represent all values. Yes No

no

Console systems only allow one gamepad to be used at a time. Yes No

no

In order to support file sharing, your PC must run a network operating system. Yes No

no

Random access memory is a permanent storage location. Yes No

no

The System Restore command in Windows returns deleted or modified documents. Yes No

no

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

plotter

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

printer

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? A. scanner B. plotter C. digital pen D. projector

scanner

Modern processors often have ____ levels of cache. A. two B. three C. four D. five

three

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

true

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

true

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

true

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

true

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? A. hard drive B. video card C. external storage devices D. built-in camera

video card

A specific touch motion you use to issue commands is called a gesture. Yes No

yes

A stylus is an input device. Yes No

yes

External hardware can be connected without wires or cables. Yes No

yes

Ink-jet printers use pressurized nozzles to spray ink onto paper. Yes No

yes

Solid state drives are more durable than hard disk drives. Yes No

yes

Storage device problems can prevent a computer from starting up properly. Yes No

yes

The connector on a USB flash drive allows transmission of both data and power. Yes No

yes

You can easily rearrange clips by dragging them. Yes No

yes