100 Fundamental Computer MCQ Questions with Answers
(Computer Basics / Computer Fundamentals)
Computer Basics & History (1-10)
1. What does CPU stand for? A) Central Processing Unit B) Central Power Unit C) Control Processing Unit D) Computer Personal Unit Answer: A
2. Which is the brain of the computer? A) Monitor B) CPU C) Keyboard D) Mouse Answer: B
3. The first generation of computers used: A) Transistors B) Vacuum Tubes C) Integrated Circuits D) Microprocessors Answer: B
4. What is the full form of RAM? A) Random Access Memory B) Read Access Memory C) Run Access Memory D) Real Access Memory Answer: A
5. Which of the following is an input device? A) Printer B) Monitor C) Keyboard D) Speaker Answer: C
6. 1 Byte is equal to: A) 4 bits B) 8 bits C) 16 bits D) 1024 bits Answer: B
7. Which is the smallest unit of data in a computer? A) Byte B) Bit C) KB D) MB Answer: B
8. The term ‘Computer’ is derived from: A) Compute B) Latin word ‘Computare’ C) Count D) None Answer: B
9. Which device is used to store data permanently? A) RAM B) ROM C) Hard Disk D) Cache Answer: C
10. What is the full form of ROM? A) Read Only Memory B) Random Only Memory C) Read Access Memory D) Run Only Memory Answer: A
50 SST (Social Studies) MCQ Questions with Answers
Hardware & Software (11-20)
11. Which of the following is system software? A) MS Word B) Operating System C) MS Excel D) Chrome Answer: B
12. An example of application software is: A) Windows B) Linux C) MS Paint D) Android Answer: C
13. Which is not a type of computer? A) Supercomputer B) Mainframe C) Minicomputer D) Microcomputer E) All are types Answer: E (All are types)
14. ALU stands for: A) Arithmetic Logic Unit B) Arithmetic Language Unit C) Application Logic Unit D) Advanced Logic Unit Answer: A
15. What is the function of the Control Unit? A) Performs calculations B) Directs operations of the processor C) Stores data D) Displays output Answer: B
16. Which memory is volatile? A) ROM B) RAM C) Hard Disk D) Pen Drive Answer: B
17. What does OS stand for? A) Operating System B) Open Source C) Output System D) Optical System Answer: A
18. Which is an example of secondary storage? A) RAM B) Cache C) SSD D) Register Answer: C
19. Software that is designed to harm a computer is called: A) Virus B) Hardware C) Application D) Utility Answer: A
20. Which is not an operating system? A) Windows B) Linux C) MS Office D) macOS Answer: C
Internet & Networking (21-30)
21. What does WWW stand for? A) World Wide Web B) World Web Wide C) Wide World Web D) Web World Wide Answer: A
22. The full form of URL is: A) Uniform Resource Locator B) Universal Resource Link C) Uniform Resource Link D) Universal Resource Locator Answer: A
23. Which protocol is used to send emails? A) HTTP B) SMTP C) FTP D) TCP Answer: B
24. What is the full form of LAN? A) Local Area Network B) Large Area Network C) Long Area Network D) Local Access Network Answer: A
25. Which device is used to connect multiple computers in a network? A) Router B) CPU C) Monitor D) Printer Answer: A
26. Google is an example of: A) Search Engine B) Browser C) Operating System D) Antivirus Answer: A
27. What does IP stand for? A) Internet Protocol B) Internal Protocol C) Internet Provider D) Information Protocol Answer: A
28. Which of the following is a web browser? A) Google B) Chrome C) YouTube D) Gmail Answer: B
29. The process of copying files from the internet to your computer is called: A) Uploading B) Downloading C) Browsing D) Surfing Answer: B
30. What is the full form of Wi-Fi? A) Wireless Fidelity B) Wired Fidelity C) Wide Fidelity D) Wireless File Answer: A
MS Office & Computer Applications (31-40)
31. In MS Word, Ctrl + S is used for: A) Copy B) Save C) Paste D) Print Answer: B
32. The shortcut for Undo is: A) Ctrl + Z B) Ctrl + Y C) Ctrl + X D) Ctrl + V Answer: A
33. In MS Excel, what is a cell? A) Intersection of row and column B) Only row C) Only column D) Chart Answer: A
34. Which function is used to add numbers in Excel? A) SUM B) ADD C) TOTAL D) PLUS Answer: A
35. PowerPoint is used for: A) Creating presentations B) Word processing C) Calculations D) Database Answer: A
36. Which key is used to select all content? A) Ctrl + A B) Ctrl + C C) Ctrl + V D) Ctrl + X Answer: A
37. What is the default extension of MS Word file? A) .xls B) .ppt C) .docx D) .pdf Answer: C
38. In Excel, rows are numbered and columns are labelled with: A) Numbers B) Letters C) Symbols D) Both Answer: B
39. Which is not a part of MS Office? A) Word B) Excel C) PowerPoint D) Photoshop Answer: D
40. PDF stands for: A) Portable Document Format B) Personal Document Format C) Printable Document File D) Public Document Format Answer: A
Miscellaneous (41-50)
41. A group of 4 bits is called: A) Nibble B) Byte C) Word D) Kilobyte Answer: A
42. Which is the most commonly used input device? A) Mouse B) Keyboard C) Scanner D) Joystick Answer: B
43. Cache memory is: A) Very fast memory between CPU and RAM B) Secondary memory C) External memory D) None Answer: A
44. What is the full form of USB? A) Universal Serial Bus B) Universal System Bus C) United Serial Bus D) Universal Storage Bus Answer: A
45. A computer program that translates high-level language to machine language is called: A) Compiler B) Assembler C) Interpreter D) All Answer: A
46. Which generation of computer uses AI? A) Fifth B) Fourth C) Third D) Second Answer: A
47. To protect a computer from viruses, we use: A) Antivirus B) Firewall C) Both D) None Answer: C
48. The brain of any computer system is: A) Control Unit B) ALU C) CPU D) Memory Answer: C
49. 1 KB is equal to: A) 1024 Bytes B) 1000 Bytes C) 8 Bytes D) 1024 MB Answer: A
50. What is the name of the first electronic computer? A) ENIAC B) UNIVAC C) MARK I D) IBM 1401 Answer: A
Tip: These are perfect for basic computer exams, school tests, or competitive exams like SSC, Bank, etc. Want answers with short explanations, or more questions on any specific topic (like Networking, Programming Basics, Cyber Security)?
Computer Basics & History (1-10)
1. Who is known as the Father of Computers? A) Charles Babbage B) Alan Turing C) Bill Gates D) Steve Jobs Answer: A
2. The first electronic computer was: A) ENIAC B) UNIVAC C) MARK-I D) IBM 1401 Answer: A
3. A computer is mainly used for: A) Input, Processing, Output B) Only calculations C) Entertainment D) Communication Answer: A
4. Which of the following is the brain of the computer? A) CPU B) Monitor C) Keyboard D) Mouse Answer: A
5. The full form of CPU is: A) Central Processing Unit B) Control Processing Unit C) Central Power Unit D) None Answer: A
6. Which generation of computers used transistors? A) Second B) First C) Third D) Fourth Answer: A
7. The term ‘Computer’ is derived from: A) Compute B) Calculate C) Count D) All Answer: A
8. Which device is used to input data? A) Keyboard B) Monitor C) Printer D) Speaker Answer: A
9. RAM stands for: A) Random Access Memory B) Read Access Memory C) Run Access Memory D) None Answer: A
10. ROM is a type of memory that is: A) Non-volatile B) Volatile C) Both D) None Answer: A
Hardware (11-20)
11. Which of the following is an output device? A) Printer B) Mouse C) Scanner D) Joystick Answer: A
12. The full form of HDD is: A) Hard Disk Drive B) High Disk Drive C) Heavy Disk Drive D) None Answer: A
13. Which memory is fastest? A) Cache Memory B) RAM C) ROM D) Hard Disk Answer: A
14. ALU stands for: A) Arithmetic Logic Unit B) All Logic Unit C) Arithmetic Language Unit D) None Answer: A
15. What does a motherboard contain? A) CPU, RAM, connectors B) Only keyboard port C) Only monitor D) None Answer: A
16. Which is a pointing device? A) Mouse B) Printer C) Scanner D) Plotter Answer: A
17. The capacity of a CD is approximately: A) 700 MB B) 4.7 GB C) 1 TB D) 256 MB Answer: A
18. Which of the following is a secondary storage device? A) Pen Drive B) RAM C) Cache D) Register Answer: A
19. A pixel is: A) Smallest unit of image B) Unit of memory C) Unit of speed D) None Answer: A
20. Which port is used for connecting printers? A) USB / Parallel port B) HDMI C) VGA D) None Answer: A
Software & Operating System (21-30)
21. Software that controls hardware is called: A) Operating System B) Application Software C) Utility D) None Answer: A
22. Windows is an example of: A) Operating System B) Application Software C) Hardware D) None Answer: A
23. Which is an open-source operating system? A) Linux B) Windows C) macOS D) iOS Answer: A
24. MS Word is an example of: A) Application Software B) System Software C) Utility D) None Answer: A
25. The full form of GUI is: A) Graphical User Interface B) General User Interface C) Good User Interface D) None Answer: A
26. Which of the following is not an operating system? A) MS Office B) Linux C) Windows D) Android Answer: A
27. A program that runs in the background is called: A) Process B) Virus C) Both D) None Answer: A
28. Which key is used to refresh a webpage? A) F5 B) F2 C) F1 D) F12 Answer: A
29. The shortcut for copy is: A) Ctrl + C B) Ctrl + V C) Ctrl + X D) Ctrl + P Answer: A
30. An antivirus is an example of: A) Utility Software B) Application Software C) System Software D) None Answer: A
Internet, Networking & Security (31-40)
31. The full form of WWW is: A) World Wide Web B) World Wide Window C) Wide World Web D) None Answer: A
32. Which protocol is used to send emails? A) SMTP B) HTTP C) FTP D) TCP Answer: A
33. IP stands for: A) Internet Protocol B) Internal Protocol C) Internet Program D) None Answer: A
34. What does URL stand for? A) Uniform Resource Locator B) Universal Resource Link C) Uniform Resource Link D) None Answer: A
35. Which of the following is a search engine? A) Google B) Chrome C) Firefox D) Windows Answer: A
36. A computer virus is: A) Malicious software B) Hardware C) Operating System D) None Answer: A
37. Firewall is used for: A) Network Security B) Virus removal C) Internet speed D) None Answer: A
38. The full form of LAN is: A) Local Area Network B) Large Area Network C) Long Area Network D) None Answer: A
39. Which is the most secure password practice? A) Using combination of letters, numbers, symbols B) Using only name C) Using birthdate D) None Answer: A
40. HTTP stands for: A) HyperText Transfer Protocol B) High Transfer Text Protocol C) Hyper Transfer Protocol D) None Answer: A
MS Office & Others (41-50)
41. In MS Word, Ctrl + B is used for: A) Bold B) Italic C) Underline D) Save Answer: A
42. In MS Excel, a cell is the intersection of: A) Row and Column B) Only Row C) Only Column D) None Answer: A
43. The extension of MS Word file is: A) .docx B) .xlsx C) .pptx D) .pdf Answer: A
44. In PowerPoint, a slide is: A) A single page of presentation B) A worksheet C) A document D) None Answer: A
45. Formula in Excel starts with: A) = B) + C) # D) @ Answer: A
46. Which function is used to sum numbers in Excel? A) SUM() B) TOTAL() C) ADD() D) PLUS() Answer: A
47. The shortcut to open a new file is: A) Ctrl + N B) Ctrl + O C) Ctrl + S D) Ctrl + P Answer: A
48. Which of the following is not a storage unit? A) Hertz B) KB C) MB D) GB Answer: A
49. Binary language consists of: A) 0 and 1 B) A to Z C) 1 to 10 D) None Answer: A
50. Compiler is used to convert: A) High-level language to machine language B) Machine to high-level C) English to binary D) None Answer: A
Computer Basics GK: 100 Questions with Answers
