Basic Computer Science Questions

Table of Contents

Basic computer science questions are presented along with their answers.

Questions

1. 
   What does RAM stand for?
   A) Remote Access Memory
   B) Redundant Array of Memory
   C) Random Access Memory
   D) Read-Only Memory
   
2. 
   Which of the following is NOT a type of computer virus?
   A) Trojan horse
   B) Firewall
   C) Worm
   D) Spyware
   
3. 
   What is the function of a CPU?
   A) To store data
   B) To display images on a screen
   C) To process data
   D) To connect to the internet
   
4. 
   Which of the following is a storage device?
   A) Keyboard
   B) Mouse
   C) Monitor
   D) Hard drive
   
5. 
   What is the purpose of a GPU?
   A) To store data
   B) To process data
   C) To display images on a screen
   D) To connect to the internet
   
6. 
   Which of the following is an input device?
   A) Printer
   B) Scanner
   C) Monitor
   D) Speaker
   
7. 
   Which of the following is a software program used for creating and editing documents?
   A) Photoshop
   B) Microsoft Word
   C) Windows Media Player
   D) Google Chrome
   
8. 
   Which of the following is NOT a type of computer network?
   A) LAN
   B) WAN
   C) MAN
   D) CAN
   
9. 
   Which of the following is a type of computer display?
   A) CRT
   B) LED
   C) CRT and LED
   D) None of the above
   
10. 
    What is a computer algorithm?
    A) A type of virus
    B) A set of instructions for performing a specific task
    C) A hardware component
    D) An input device
    
11. 
    Which of the following is an example of a programming language?
    A) HTML
    B) CSS
    C) Python
    D) All of the above
    
12. 
    Which of the following is a type of computer port?
    A) USB
    B) VGA
    C) HDMI
    D) All of the above
    
13. 
    Which of the following is NOT a type of computer memory?
    A) ROM
    B) SRAM
    C) DRAM
    D) SRM
    
14. 
    Which of the following is NOT an operating system?
    A) Windows
    B) macOS
    C) Photoshop
    D) Linux
    
15. 
    Which of the following is a computer peripheral?
    A) Keyboard
    B) Hard drive
    C) CPU
    D) Motherboard
    
16. 
    Which of the following is an example of cloud storage?
    A) Dropbox
    B) Google Drive
    C) OneDrive
    D) All of the above
    
17. 
    Which of the following is a type of computer processor?
    A) Intel
    B) AMD
    C) Nvidia
    D) All of the above
    
18. 
    What is the purpose of an anti-virus program?
    A) To prevent hardware failure
    B) To protect against computer viruses
    C) To speed up a computer
    D) To clean up disk space
    
19. 
    What is the purpose of a router in a computer network?
    A) To connect devices within the same network
    B) To connect devices between different networks
    C) To store data
    D) To process data
    
20. 
    What is the purpose of an SSD in a computer?
    A) To store data
    B) To process data
    C) To display images on a screen
    D) To provide fast access to data
    
21. 
    What is the difference between RAM and ROM?
    A) RAM is read-write memory while ROM is read-only memory
    B) RAM is read-only memory while ROM is read-write memory
    C) Both RAM and ROM are read-write memory
    D) Both RAM and ROM are read-only memory
    
22. 
    What is a firewall?
    A) A type of virus
    B) A hardware component
    C) A software program that protects a computer from unauthorized access
    D) A peripheral device
    
23. 
    What is the purpose of a mouse?
    A) To store data
    B) To display images on a screen
    C) To input data into a computer
    D) To process data
    
24. 
    What is the purpose of an Ethernet cable?
    A) To connect a computer to the internet wirelessly
    B) To connect a computer to another computer wirelessly
    C) To connect a computer to a printer
    D) To connect a computer to the internet via a wired connection
    
25. 
    What is the purpose of a modem?
    A) To store data
    B) To process data
    C) To connect a computer to the internet via a wired connection
    D) To connect a computer to the internet wirelessly
    
26. 
    What is the purpose of a UPS (uninterruptible power supply)?
    A) To protect against power surges
    B) To provide backup power in case of a power outage
    C) To speed up a computer
    D) To store data
    
27. 
    What is the purpose of a motherboard in a computer?
    A) To connect all the other components of a computer together
    B) To display images on a screen
    C) To store data
    D) To process data
    
28. 
    What is the purpose of a power supply in a computer?
    A) To store data
    B) To display images on a screen
    C) To provide power to all the other components of a computer
    D) To process data
    
29. 
    What is the purpose of a graphics card in a computer?
    A) To store data
    B) To display images on a screen
    C) To connect to the internet
    D) To process data
    
30. 
    What is the purpose of a microphone?
    A) To store data
    B) To display images on a screen
    C) To input audio into a computer
    D) To output audio from a computer
    
31. 
    What is the purpose of an operating system?
    A) To manage computer hardware and software resources
    B) To store and retrieve data
    C) To connect to the internet
    D) To display images on a screen
    
32. 
    What is a router?
    A) A device that connects computers to the internet via a wired connection
    B) A device that connects computers to other computers wirelessly
    C) A device that directs network traffic between different devices
    D) A device that stores and retrieves data

Answers

1. C) Random Access Memory
2. B) Firewall
3. C) CPU stands for Central Processing Unit: To process data
4. D) Hard drive
5. C) GPU stands for Graphing Processing Unit: To display images on a screen
6. B) Scanner
7. B) Microsoft Word
8. D) CAN
9. C) CRT (cathode Ray tube) and LED (Light Emitting Diode)
10. B) A set of instructions for performing a specific task
11. C) Python
12. D) All of the above
13. D) SRM
14. C) Photoshop
15. A) Keyboard
16. D) All of the above
17. D) All of the above
18. B) To protect against computer viruses
19. B) To connect devices between different networks
20. D) To provide fast access to data
21. A) RAM is read-write memory while ROM is read-only memory.
22. C) A software program that protects a computer from unauthorized access.
23. C) To input data into a computer.
24. D) To connect a computer to the internet via a wired connection.
25. C) To connect a computer to the internet via a wired connection.
26. B) To provide backup power in case of a power outage.
27. A) To connect all the other components of a computer together.
28. C) To provide power to all the other components of a computer.
29. B) To display images on a screen.
30. C) To input audio into a computer.
31. A) To manage computer hardware and software resources
32. C) A device that directs network traffic between different devices