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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