Hardware and Software questions

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Hardware and Software question collection

Review Hardware and Software questions for Computer Science, with correct answers shown and coverage across defining the part of a computer that carries out instructions; choosing which component only stores data temporarily; choosing which storage keeps data when power is removed.

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Question 1

What is the part of a computer that carries out instructions?
  1. CPU
  2. SSD
  3. GPU
  4. Router

Question 2

Which component only stores data temporarily?
  1. RAM
  2. ROM
  3. SSD
  4. HDD

Question 3

Which storage keeps data when power is removed?
  1. Secondary storage
  2. RAM
  3. CPU registers
  4. CPU cache

Question 4

What does volatile memory do when power is off?
  1. Loses data
  2. Encrypts data
  3. Backs up data
  4. Duplicates data

Question 5

What does OS stand for?
  1. Operating System
  2. Optical Storage
  3. Online Service
  4. Output Signal

Question 6

Which is an operating system?
  1. Windows
  2. Word
  3. Excel
  4. PowerPoint

Question 7

What does a device driver do?
  1. Lets the operating system control hardware
  2. Protects the network from unwanted traffic
  3. Organises files into folders
  4. Translates domain names into addresses

Question 8

Which is an input device?
  1. Keyboard
  2. Monitor
  3. Printer
  4. Speaker

Question 9

Which is an output device?
  1. Monitor
  2. Scanner
  3. Mouse
  4. Microphone

Question 10

Which storage type contains startup firmware such as BIOS?
  1. ROM
  2. RAM
  3. Cache
  4. SSD

Question 11

Which memory is small, very fast and close to the CPU?
  1. Cache
  2. RAM
  3. ROM
  4. SSD

Question 12

What does GPU mainly do?
  1. Processes graphics
  2. Stores files long-term
  3. Routes internet traffic
  4. Prints documents

Question 13

What is a main BIOS task?
  1. Starting hardware checks during boot
  2. Running user applications after login
  3. Managing documents in secondary storage
  4. Rendering graphics during games

Question 14

What can multiple CPU cores improve?
  1. Processing several tasks at once
  2. Storing more files permanently
  3. Displaying more screen colours
  4. Increasing network signal range

Question 15

What unit is CPU clock speed often measured in?
  1. GHz
  2. MB
  3. DPI
  4. RPM

Question 16

What is secondary storage used for?
  1. Long-term data storage
  2. Immediate CPU calculations
  3. Showing graphics
  4. Typing input

Question 17

Which is usually true of an SSD compared with an HDD?
  1. Faster; solid-state
  2. Slower; mechanical
  3. Faster; mechanical
  4. Slower; solid-state

Question 18

What is the main role of a motherboard in a computer?
  1. To connect components so they can communicate
  2. To store files permanently
  3. To render 3D graphics directly
  4. To provide internet access by itself

Question 19

What does GUI stand for?
  1. Graphical User Interface
  2. General User Internet
  3. Graphic Utility Input
  4. Global Usage Interface

Question 20

What does CLI stand for?
  1. Command Line Interface
  2. Computer Link Interface
  3. Code Level Interpreter
  4. Central Login Input

Question 21

What does POST do when a computer starts?
  1. Checks essential hardware
  2. Loads every user application
  3. Formats the secondary storage
  4. Downloads the newest drivers

Question 22

What does a firewall do?
  1. Filters network traffic for security
  2. Stores long-term user files
  3. Increases CPU clock speed
  4. Renders graphics on screen

Question 23

Which CPU component performs calculations and logic?
  1. ALU
  2. Control unit
  3. Cache
  4. Clock

Question 24

Where is a program held while the CPU runs it?
  1. RAM
  2. Secondary storage
  3. ROM
  4. A network interface

Question 25

What is an operating system?
  1. Software that manages hardware and programs
  2. A physical input device
  3. A type of network cable
  4. A programming language

Question 26

Which device acts as both input and output?
  1. Touchscreen
  2. Keyboard
  3. Speaker
  4. Microphone

Question 27

Which output device produces a hard copy?
  1. Printer
  2. Monitor
  3. Speaker
  4. Projector

Question 28

What base does binary use?
  1. 2
  2. 10
  3. 8
  4. 16

Question 29

Why can a higher clock speed improve CPU performance?
  1. More instruction cycles occur each second
  2. More files fit in secondary storage
  3. More pixels fit on the display
  4. More devices join the network

Question 30

What is a CPU core?
  1. An independent processing unit
  2. A permanent storage unit
  3. A graphics output unit
  4. A network addressing unit

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Review Hardware and Software questions for Computer Science, with correct answers shown and coverage across defining the part of a computer that carries out instructions; choosing which component only stores data temporarily; choosing which storage keeps data when power is removed.

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