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Top 50 Computer Questions and Answer MCQ for Competitive Exams

Top 50 Computer Questions and Answer MCQ for Competitive Exams

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Computer MCQ Test

Instruction

Total number of questions: 50

Time allotted: 25 minutes.

Each question carries 1 mark : there are 0 negative marks.

DO NOT refresh the page.

All the best!

1 / 50

1. What does IP stand for in IP address?

2 / 50

2. Which of the following is a type of malicious software?

3 / 50

3. Which of the following is a storage device?

4 / 50

4. What is the full form of USB?

5 / 50

5. What does CPU stand for?

6 / 50

6. Which of the following is an example of an open-source operating system?

7 / 50

7. Which device is used to store data permanently?

8 / 50

8. What does DNS stand for?

9 / 50

9. What is the smallest unit of data in a computer?

10 / 50

10. Which of the following is a popular social media platform?

11 / 50

11. Which of the following is a cloud storage service?

12 / 50

12. What does HTTP stand for?

13 / 50

13. Which of the following is not an operating system?

14 / 50

14. What does SSD stand for?

15 / 50

15. Which of the following is used to connect to the Internet?

16 / 50

16. Which of the following is a web browser?

17 / 50

17. What is the main function of the BIOS?

18 / 50

18. Which of the following is an example of system software?

19 / 50

19. Which of the following is a type of malware?

20 / 50

20. Which language is directly understood by the computer?

21 / 50

21. What does SQL stand for?

22 / 50

22. Which of the following is considered the ‘brain’ of the computer?

23 / 50

23. Which of the following is a search engine?

24 / 50

24. What is the shortcut key for copying selected text?

25 / 50

25. Which of the following is a programming language?

26 / 50

26. What is the main function of a compiler?

27 / 50

27. Which of the following is a non-volatile memory?

28 / 50

28. Which of the following is a type of network?

29 / 50

29. Which of the following is an example of a spreadsheet software?

30 / 50

30. What is the function of a firewall?

31 / 50

31. What is the main purpose of an operating system?

32 / 50

32.

  1. What does URL stand for?

33 / 50

33. Which of the following is an example of an output device?

34 / 50

34. What does GUI stand for?

35 / 50

35. Which of the following is an example of an email protocol?

36 / 50

36. Who is known as the father of computers?

37 / 50

37. What does VPN stand for?

38 / 50

38. Which of the following is a type of memory that is volatile?

39 / 50

39. Which of the following is an input device?

40 / 50

40. What is the primary purpose of a database?

41 / 50

41. What is the main purpose of an antivirus program?

42 / 50

42. Which of the following is a type of software license that allows users to run the software for free?

43 / 50

43. Which of the following is a popular programming language for web development?

44 / 50

44. What is the main function of the ALU?

45 / 50

45. 1 KB equal to _____  bytes?

46 / 50

46. Which of the following is a type of computer network?

47 / 50

47. What does RAM stand for?

48 / 50

48. What does PDF stand for?

49 / 50

49. What is the main function of a router?

50 / 50

50. What is the main purpose of a database management system (DBMS)?

Your score is

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  1. Who is known as the father of computers?
    • a) James Gosling
    • b) Charles Babbage
    • c) Dennis Ritchie
    • d) Bjarne Stroustrup
    • Answer: b) Charles Babbage
  2. What does CPU stand for?
    • a) Computer Processing Unit
    • b) Computer Principle Unit
    • c) Central Processing Unit
    • d) Control Processing Unit
    • Answer: c) Central Processing Unit
  3. Which of the following is an input device?
    • a) Monitor
    • b) Keyboard
    • c) Printer
    • d) Speaker
    • Answer: b) Keyboard
  4. What is the main function of the ALU?
    • a) Control Unit Operations
    • b) Arithmetic and Logical Operations
    • c) Data Storage
    • d) Data Transfer
    • Answer: b) Arithmetic and Logical Operations
  5. Which of the following is a non-volatile memory?
    • a) RAM
    • b) Hard Disk
    • c) Cache
    • d) ROM
    • Answer: d) ROM
  6. What does HTTP stand for?
    • a) Hyper Text Transfer Protocol
    • b) Hyper Transfer Text Protocol
    • c) Hyper Text Transmission Protocol
    • d) Hyper Transfer Transmission Protocol
    • Answer: a) Hyper Text Transfer Protocol
  7. Which language is directly understood by the computer?
    • a) C++
    • b) Assembly Language
    • c) Machine Language
    • d) Java
    • Answer: c) Machine Language
  8. What is the main purpose of an antivirus program?
    • a) Speed up the computer
    • b) Detect and remove viruses
    • c) Manage files
    • d) Enhance graphics
    • Answer: b) Detect and remove viruses
  9. Which of the following is considered the ‘brain’ of the computer?
    • a) Hard Drive
    • b) Motherboard
    • c) CPU
    • d) RAM
    • Answer: c) CPU
  10. What is the smallest unit of data in a computer?
    • a) Bit
    • b) Byte
    • c) Kilobyte
    • d) Megabyte
    • Answer: a) Bit
  1. Which of the following is an example of system software?
    • a) Microsoft Word
    • b) Adobe Photoshop
    • c) Windows OS
    • d) Google Chrome
    • Answer: c) Windows OS
  2. What does RAM stand for?
    • a) Random Access Memory
    • b) Read Access Memory
    • c) Rapid Access Memory
    • d) Readily Available Memory
    • Answer: a) Random Access Memory
  3. Which of the following is used to connect to the Internet?
    • a) Router
    • b) Scanner
    • c) Printer
    • d) Keyboard
    • Answer: a) Router
  4. What is the full form of USB?
    • a) Universal Serial Bus
    • b) Universal System Bus
    • c) Unique Serial Bus
    • d) Uniform System Bus
    • Answer: a) Universal Serial Bus
  5. Which of the following is a programming language?
    • a) HTML
    • b) HTTP
    • c) FTP
    • d) SMTP
    • Answer: a) HTML
  6. What does GUI stand for?
    • a) Graphical User Interface
    • b) General User Interface
    • c) Graphical Utility Interface
    • d) General Utility Interface
    • Answer: a) Graphical User Interface
  7. Which device is used to store data permanently?
    • a) RAM
    • b) ROM
    • c) Hard Disk
    • d) Cache
    • Answer: c) Hard Disk
  8. Which of the following is not an operating system?
    • a) Windows
    • b) Linux
    • c) Oracle
    • d) MacOS
    • Answer: c) Oracle
  9. What is the shortcut key for copying selected text?
    • a) Ctrl + X
    • b) Ctrl + C
    • c) Ctrl + V
    • d) Ctrl + Z
    • Answer: b) Ctrl + C
  10. Which of the following is a type of network?
    • a) LAN
    • b) WAN
    • c) MAN
    • d) All of the above
    • Answer: d) All of the above
  1. Which of the following is a web browser?
    • a) Microsoft Excel
    • b) Mozilla Firefox
    • c) Adobe Acrobat
    • d) Microsoft Word
    • Answer: b) Mozilla Firefox
  2. What does PDF stand for?
    • a) Portable Document Format
    • b) Printable Document Format
    • c) Public Document Format
    • d) Personal Document Format
    • Answer: a) Portable Document Format
  3. Which of the following is an example of an email protocol?
    • a) HTTP
    • b) FTP
    • c) SMTP
    • d) HTML
    • Answer: c) SMTP
  4. What is the main function of the BIOS?
    • a) To manage the computer’s memory
    • b) To initialize and test the system hardware components
    • c) To provide a user interface
    • d) To manage network connections
    • Answer: b) To initialize and test the system hardware components
  5. Which of the following is a type of malware?
    • a) Virus
    • b) Worm
    • c) Trojan Horse
    • d) All of the above
    • Answer: d) All of the above
  6. What does URL stand for?
    • a) Uniform Resource Locator
    • b) Universal Resource Locator
    • c) Uniform Retrieval Locator
    • d) Universal Retrieval Locator
    • Answer: a) Uniform Resource Locator
  7. Which of the following is a storage device?
    • a) Monitor
    • b) Mouse
    • c) Hard Drive
    • d) Keyboard
    • Answer: c) Hard Drive
  8. What is the function of a firewall?
    • a) To protect against unauthorized access
    • b) To speed up the computer
    • c) To manage files
    • d) To enhance graphics
    • Answer: a) To protect against unauthorized access
  9. Which of the following is an example of an output device?
    • a) Scanner
    • b) Keyboard
    • c) Monitor
    • d) Mouse
    • Answer: c) Monitor
  10. What is the main purpose of an operating system?
    • a) To manage computer hardware and software resources
    • b) To perform calculations
    • c) To create documents
    • d) To browse the internet
    • Answer: a) To manage computer hardware and software resources
  1. Which of the following is a popular programming language for web development?
    • a) Python
    • b) Java Script
    • c) C++
    • d) COBOL
    • Answer: b) JavaScript
  2. What does SSD stand for?
    • a) Solid State Drive
    • b) Super Speed Drive
    • c) Secure Storage Device
    • d) System Storage Device
    • Answer: a) Solid State Drive
  3. Which of the following is an example of an open-source operating system?
    • a) Windows
    • b) MacOS
    • c) Linux
    • d) iOS
    • Answer: c) Linux
  4. What is the primary purpose of a database?
    • a) To store and manage data
    • b) To perform calculations
    • c) To create graphics
    • d) To browse the internet
    • Answer: a) To store and manage data
  5. Which of the following is a cloud storage service?
    • a) Dropbox
    • b) Microsoft Word
    • c) Adobe Photoshop
    • d) VLC Media Player
    • Answer: a) Dropbox
  6. What does IP stand for in IP address?
    • a) Internet Protocol
    • b) Internal Protocol
    • c) Internet Program
    • d) Internal Program
    • Answer: a) Internet Protocol
  7. Which of the following is a type of software license that allows users to run the software for free?
    • a) Shareware
    • b) Freeware
    • c) Commercial
    • d) Proprietary
    • Answer: b) Freeware
  8. What is the main function of a compiler?
    • a) To execute programs
    • b) To translate high-level language into machine code
    • c) To manage memory
    • d) To connect to the internet
    • Answer: b) To translate high-level language into machine code
  9. Which of the following is a type of computer network?
    • a) PAN
    • b) LAN
    • c) WAN
    • d) All of the above
    • Answer: d) All of the above
  10. What does DNS stand for?
    • a) Domain Name System
    • b) Digital Network Service
    • c) Data Network System
    • d) Domain Network Service
    • Answer: a) Domain Name System
  1. Which of the following is a type of memory that is volatile?
    • a) ROM
    • b) Hard Disk
    • c) RAM
    • d) SSD
    • Answer: c) RAM
  2. What does HTML stand for?
    • a) Hyper Text Markup Language
    • b) Hyper Text Machine Language
    • c) High Text Markup Language
    • d) High Text Machine Language
    • Answer: a) Hyper Text Markup Language
  3. Which of the following is a search engine?
    • a) Google
    • b) Microsoft Word
    • c) Windows
    • d) Excel
    • Answer: a) Google
  4. What is the main function of a router?
    • a) To store data
    • b) To connect different networks
    • c) To display images
    • d) To manage files
    • Answer: b) To connect different networks
  5. Which of the following is a popular social media platform?
    • a) Windows
    • b) Linux
    • c) Facebook
    • d) Oracle
    • Answer: c) Facebook
  6. What does VPN stand for?
    • a) Virtual Private Network
    • b) Virtual Public Network
    • c) Virtual Protected Network
    • d) Virtual Personal Network
    • Answer: a) Virtual Private Network
  7. Which of the following is an example of a spreadsheet software?
    • a) Microsoft Word
    • b) Microsoft Excel
    • c) Adobe Photoshop
    • d) Mozilla Firefox
    • Answer: b) Microsoft Excel
  8. What is the main purpose of a database management system (DBMS)?
    • a) To create documents
    • b) To manage data
    • c) To browse the internet
    • d) To edit images
    • Answer: b) To manage data
  9. Which of the following is a type of malicious software?
    • a) Antivirus
    • b) Firewall
    • c) Spyware
    • d) Router
    • Answer: c) Spyware
  10. What does SQL stand for?
    • a) Structured Query Language
    • b) Simple Query Language
    • c) Standard Query Language
    • d) Sequential Query Language
    • Answer: a) Structured Query Language

 

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