Chapter 3, 4

Question 1

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?

Answer 1

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

Question 2

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

Answer 2

Bottlenecking

Question 3

When should a user consider restoring the operating system?

Answer 3

When programs or apps do not start properly

Question 4

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

Answer 4

Using a UPS or a surge processor

Question 5

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

Answer 5

Platform

Question 6

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

Answer 6

internal hardware problem

Question 7

What performance specification does 2 GHz refer to?

Answer 7

The 2 GHz is the clock speed which is the speed at which the processor executes instructions. It is an important performance specification.

Question 8

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

Answer 8

Update the device driver.

Question 9

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?

Answer 9

Gamepad

Question 10

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

Answer 10

Fetch à decode à execute à store

Question 11

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?

Answer 11

video card

Question 12

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

Answer 12

Dynamic RAM (DRAM)

Question 13

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

Answer 13

solid state drive

Question 14

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

Answer 14

Clock speed

Question 15

What determines the speed at which data travels?

Answer 15

Bus width

Question 16

Where on a computer is the operating system generally stored?

Answer 16

Internal hard drive- ROM

Question 17

Which of these is an optical medium of storage?

Answer 17

Blu-ray disc

Question 18

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

Answer 18

Desktop computers

Question 19

What is the recommended solution if a computer performs slowly?

Answer 19

Freeing up disk space and increasing RAM capacity improves a computer’s performance.

Question 20

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

Answer 20

the control unit and the arithmetic logic unit

Question 21

What does an operating system provide so you can interact with a device?

Answer 21

graphical user interface

Question 22

Which of the following features is a way to make a computer do what you want it to do?

Answer 22

One way to make a computer do what you want it to do is to use a menu.

Question 23

In Windows, you use _____ to reorder, move, and navigate between folders.

Answer 23

File Explorer or file manager

Question 24

A file manager is used for all of the following except ____.

Answer 24

You can use a file manager to reorder, move, or navigate between folders.

Question 25

When does the boot process start?

Answer 25

when you turn on your computer

Question 26

What is the most common type of volatile memory?

Answer 26

RAM

Question 27

Which of the following terms refers to the area of the hard drive used for virtual memory?

Answer 27

swap file

Question 28

Which of the following statements is true about the Clipboard?

Answer 28

It is temporary storage that holds a selection until you paste it into a document or folder.

Question 29

What is the main purpose of an operating system?

Answer 29

The operating system is responsible for coordinating the resources and activities on a computer. It is a go-between for you and the computer. It also manages interactions between hardware and software. Finally, it directs internal components.

Question 30

Which of the following can you run to find and remove unnecessary files?

Answer 30

disk cleanup utility

Question 31

Where can you pin frequently used apps for easy access?

Answer 31

Operating systems allow you to make adjustments such as pinning frequently used apps to the taskbar for easy access.

Question 32

How is an executable file different from a data file?

Answer 32

Unlike a data file, you cannot open and read an executable file. You run it to perform a task, such as opening a program or app.

Question 33

What type of window are you opening when you click the Start button on the Windows desktop, and then click the name of an app?

Answer 33

main window

Question 34

If you have a file that has billions of bytes of data, then it would be measured in _____.

Answer 34

File size is usually measured in kilobytes (thousands of bytes of data), megabytes (millions of bytes of data), or gigabytes (billions of bytes of data).

Question 35

A(n) _____ contains the instructions your computer or device needs to run programs and apps.

Answer 35

An executable file contains the instructions your computer or device needs to run programs and apps.

Question 36

Which of the following is a step in the boot process?

Answer 36

The operating system files are loaded into RAM.

Question 37

_____ is data and instructions entered into the memory of a device.

Answer 37

Input. The bootstrap program executes a series of tests to check the components, including the RAM, keyboard, and storage, and identifies connected devices, and checks their settings.

Question 38

The bootstrap program executes which of the following?

Answer 38

The bootstrap program executes a series of tests to check the components, including the RAM, keyboard, and storage, and identifies connected devices, and checks their settings.

Question 39

During the boot process, what does the processor do after the computer circuits receive power?

Answer 39

It begins to run the bootstrap program.

Question 40

Simon has difficulty pressing and holding more than one key at a time, such as CTRL+ALT+DEL. What setting can he change to make this task easier?

Answer 40

Enable sticky keys. You can adjust the keyboard setting to change the commands associated with certain keys, and other modifications, including creating new keyboard shortcuts to commands or enabling sticky keys, which allow you to press keyboard shortcuts one key at a time instead of simultaneously.

Question 41

How do you know if a device is an input device or an output device?

Answer 41

An input device enters data and instructions into the memory of the device. An output device is how the processed information is displayed.

Question 42

An operating system is also called a(n) _____.

Answer 42

Platform. The operating system manages the complete operation of the computer and lets you interact with it. The operating system starts the word processing program and provides the tools for you to open the document file.

Question 43

When you want to add information to a document, what role does your operating system play?

Answer 43

saves your unsaved work to temporary storage

Question 44

What would you need to install if you have an app that is incompatible with your current operating system?

Answer 44

A virtual machine enables a computer or device to run another operating system in addition to the one installed.

Question 45

Which of the following operating systems would allow a user to add functionality and sell or give away their versions?

Answer 45

Linux is distributed under the terms of a General Public License (GPL), which allows you to copy the OS for your own use, to give to others, or to sell.

Question 46

On a desktop, the _____ is the window you are currently using, and it appears in front of any other open windows.

Answer 46

active window. | A program window displays a running program and a folder window displays contents of a drive, folder, or device.