computer science-related questions that have appeared in various government exams

Here are 50 computer science-related questions that have appeared in various government exams over the years, along with their answers:

1. Question: What does CPU stand for?

• Answer: Central Processing Unit
• Exam: SSC CGL 2018

2. Question: Which part of the computer is considered as the brain of the computer?

• Answer: CPU
• Exam: IBPS PO 2019

3. Question: What does RAM stand for?

• Answer: Random Access Memory
• Exam: RRB NTPC 2017

4. Question: Which device is used to connect a computer to a telephone line?

• Answer: Modem
• Exam: SSC CHSL 2016

5. Question: What is the full form of URL?

• Answer: Uniform Resource Locator
• Exam: UPSC CDS 2018

6. Question: In MS Excel, which function is used to find the largest value?

• Answer: MAX()
• Exam: SSC CGL 2019

7. Question: Which protocol is used to receive emails?

• Answer: POP3 (Post Office Protocol 3)
• Exam: IBPS Clerk 2018

8. Question: What does HTTP stand for?

• Answer: Hypertext Transfer Protocol
• Exam: SSC MTS 2019

9. Question: Which programming language is used for Artificial Intelligence?

• Answer: Python
• Exam: SSC CGL 2020

10. Question: What is the main page of a website called?

• Answer: Home Page
• Exam: RRB ALP 2017

11. Question: What does GUI stand for?

• Answer: Graphical User Interface
• Exam: SSC CHSL 2017

12. Question: Which device is used to display information from the computer onto a screen?

• Answer: Monitor
• Exam: SSC CGL 2017

13. Question: What is the extension of a MS Word document file?

• Answer: .docx
• Exam: SSC MTS 2018

14. Question: Which key is used to delete the selected item permanently without placing the item in the Recycle Bin?

• Answer: Shift + Delete
• Exam: IBPS PO 2017

15. Question: Which memory is known as permanent memory?

• Answer: ROM (Read-Only Memory)
• Exam: SSC CGL 2018

16. Question: What does BIOS stand for?

• Answer: Basic Input Output System
• Exam: SSC CHSL 2018

17. Question: Which layer of the OSI model is responsible for data encryption?

• Answer: Presentation Layer
• Exam: RRB JE 2019

18. Question: In computer networking, what does WAN stand for?

• Answer: Wide Area Network
• Exam: SSC JE 2017

19. Question: Which key is used to refresh the active window?

• Answer: F5
• Exam: SSC CHSL 2016

20. Question: What is the full form of PDF?

• Answer: Portable Document Format
• Exam: UPSC NDA 2017

21. Question: Which device is used for inputting data into a computer?

• Answer: Keyboard
• Exam: SSC CGL 2019

22. Question: What is a small piece of semi-conducting material used in electronic devices?

• Answer: Chip
• Exam: SSC MTS 2019

23. Question: What is the main function of the ALU?

• Answer: To perform arithmetic and logical operations
• Exam: SSC CGL 2017

24. Question: Which is the shortcut key to copy selected text in MS Word?

• Answer: Ctrl + C
• Exam: SSC CHSL 2018

25. Question: What does IP stand for in IP address?

• Answer: Internet Protocol
• Exam: SSC CGL 2018

26. Question: Which device is used to capture images and videos?

• Answer: Camera
• Exam: SSC CHSL 2017

27. Question: What does DNS stand for?

• Answer: Domain Name System
• Exam: IBPS PO 2018

28. Question: Which software is used to access the internet?

• Answer: Browser
• Exam: SSC MTS 2017

29. Question: What does SSD stand for in storage devices?

• Answer: Solid State Drive
• Exam: RRB ALP 2018

30. Question: Which device converts digital signals to analog and vice versa?

• Answer: Modem
• Exam: SSC CGL 2019

31. Question: What is the smallest unit of data in a computer?

• Answer: Bit
• Exam: SSC CHSL 2019

32. Question: What is the full form of XML?

• Answer: Extensible Markup Language
• Exam: SSC CGL 2016

33. Question: Which key combination is used to minimize all open windows in Windows OS?

• Answer: Windows Key + M
• Exam: SSC CHSL 2016

34. Question: Which part of a computer is responsible for carrying out instructions?

• Answer: Processor (CPU)
• Exam: SSC MTS 2018

35. Question: What is the primary purpose of a firewall?

• Answer: To prevent unauthorized access to or from a private network
• Exam: RRB NTPC 2016

36. Question: Which storage device can be inserted into a USB port?

• Answer: Pen Drive
• Exam: SSC CHSL 2017

37. Question: What is the default file extension for Microsoft Excel?

• Answer: .xlsx
• Exam: SSC CGL 2017

38. Question: Which programming language is primarily used for developing Android Apps?

• Answer: Java
• Exam: SSC CHSL 2019

39. Question: What does SMTP stand for in email technology?

• Answer: Simple Mail Transfer Protocol
• Exam: SSC CGL 2018

40. Question: Which device is used to output sound from a computer?

• Answer: Speakers
• Exam: SSC MTS 2018

41. Question: What is an example of an operating system?

• Answer: Windows
• Exam: SSC CHSL 2018

42. Question: What does VGA stand for in computer graphics?

• Answer: Video Graphics Array
• Exam: SSC CGL 2019

43. Question: Which tool is used to check the spelling in a document?

• Answer: Spell Checker
• Exam: IBPS Clerk 2017

44. Question: What is the primary function of the system unit in a computer?

• Answer: To house the motherboard, CPU, RAM, and other components
• Exam: SSC CHSL 2016

45. Question: What is the process of starting a computer called?

• Answer: Booting
• Exam: RRB ALP 2017

46. Question: Which type of software is Microsoft Office?

• Answer: Application Software
• Exam: SSC CGL 2018

47. Question: What is a hyperlink?

• Answer: A link in a document that opens another document or webpage
• Exam: SSC CHSL 2018

48. Question: What is the binary equivalent of the decimal number 10?

• Answer: 1010
• Exam: SSC MTS 2019

49. Question: Which memory is used to store data temporarily while the computer is running?

• Answer: RAM
• Exam: SSC CHSL 2018

50. Question: Which part of the computer is used to interact with the hardware?

• Answer: Operating System
• Exam: SSC CGL 2019

These questions are essential for those preparing for government exams, especially in the field of computer science.

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