Top 50 Computer MCQ Questions with Answers
1. Computer ka brain kise kaha jata hai?
A) RAM B) CPU C) Monitor D) Printer
A) RAM B) CPU C) Monitor D) Printer
Answer: B) CPU
2. CPU ka Full Form kya hai?
A) Central Processing Unit B) Computer Processing Unit C) Central Program Unit D) Control Processing Unit
A) Central Processing Unit B) Computer Processing Unit C) Central Program Unit D) Control Processing Unit
Answer: A) Central Processing Unit
3. Keyboard kis prakar ka device hai?
A) Input B) Output C) Storage D) Processing
A) Input B) Output C) Storage D) Processing
Answer: A) Input
4. Monitor kis prakar ka device hai?
A) Input B) Output C) Storage D) Memory
A) Input B) Output C) Storage D) Memory
Answer: B) Output
5. RAM ka Full Form kya hai?
A) Read Access Memory B) Random Access Memory C) Random Active Memory D) Read Active Memory
A) Read Access Memory B) Random Access Memory C) Random Active Memory D) Read Active Memory
Answer: B) Random Access Memory
6. ROM ka Full Form kya hai?
A) Read Only Memory B) Random Only Memory C) Read Output Memory D) Run Only Memory
A) Read Only Memory B) Random Only Memory C) Read Output Memory D) Run Only Memory
Answer: A) Read Only Memory
7. Computer ki sabse chhoti unit kya hai?
A) Byte B) KB C) Bit D) MB
A) Byte B) KB C) Bit D) MB
Answer: C) Bit
8. 8 Bit milkar kya banta hai?
A) KB B) Byte C) MB D) GB
A) KB B) Byte C) MB D) GB
Answer: B) Byte
9. Data ko permanent store karne ke liye kya use hota hai?
A) RAM B) Cache C) Hard Disk D) Register
A) RAM B) Cache C) Hard Disk D) Register
Answer: C) Hard Disk
10. Website dekhne ke liye kya use hota hai?
A) Browser B) Paint C) Word D) Excel
A) Browser B) Paint C) Word D) Excel
Answer: A) Browser
11. WWW ka Full Form kya hai?
A) World Wide Web B) World Web Wide C) Web World Wide D) Wide Web World
A) World Wide Web B) World Web Wide C) Web World Wide D) Wide Web World
Answer: A) World Wide Web
12. Internet ka janak kise mana jata hai?
A) Bill Gates B) Charles Babbage C) Vint Cerf D) Steve Jobs
A) Bill Gates B) Charles Babbage C) Vint Cerf D) Steve Jobs
Answer: C) Vint Cerf
13. Computer ka avishkar kisne kiya?
A) Bill Gates B) Charles Babbage C) Alan Turing D) Tim Berners-Lee
A) Bill Gates B) Charles Babbage C) Alan Turing D) Tim Berners-Lee
Answer: B) Charles Babbage
14. MS Word kis prakar ka software hai?
A) Spreadsheet B) Word Processing C) Browser D) Antivirus
A) Spreadsheet B) Word Processing C) Browser D) Antivirus
Answer: B) Word Processing
15. MS Excel kis liye prayog hota hai?
A) Presentation B) Calculation C) Drawing D) Browsing
A) Presentation B) Calculation C) Drawing D) Browsing
Answer: B) Calculation
16. PowerPoint ka upyog kis liye hota hai?
A) Presentation B) Typing C) Internet D) Gaming
A) Presentation B) Typing C) Internet D) Gaming
Answer: A) Presentation
17. E-mail bhejne ke liye kya avashyak hai?
A) Scanner B) Internet C) Printer D) Speaker
A) Scanner B) Internet C) Printer D) Speaker
Answer: B) Internet
18. Printer kis prakar ka device hai?
A) Input B) Output C) Storage D) Memory
A) Input B) Output C) Storage D) Memory
Answer: B) Output
19. Scanner kis prakar ka device hai?
A) Input B) Output C) Storage D) Processing
A) Input B) Output C) Storage D) Processing
Answer: A) Input
20. Joystick ka prayog kis liye hota hai?
A) Gaming B) Printing C) Typing D) Storage
A) Gaming B) Printing C) Typing D) Storage
Answer: A) Gaming
21. USB ka Full Form kya hai?
A) Universal Serial Bus B) United Serial Bus C) Universal System Bus D) Unified Serial Bus
A) Universal Serial Bus B) United Serial Bus C) Universal System Bus D) Unified Serial Bus
Answer: A) Universal Serial Bus
22. Google kya hai?
A) Browser B) Search Engine C) OS D) Hardware
A) Browser B) Search Engine C) OS D) Hardware
Answer: B) Search Engine
23. Windows kis prakar ka software hai?
A) Application B) System Software C) Utility D) Antivirus
A) Application B) System Software C) Utility D) Antivirus
Answer: B) System Software
24. Antivirus ka karya kya hai?
A) Virus hatana B) Typing C) Calculation D) Printing
A) Virus hatana B) Typing C) Calculation D) Printing
Answer: A) Virus hatana
25. Ctrl + C ka upyog kya hai?
A) Paste B) Cut C) Copy D) Save
A) Paste B) Cut C) Copy D) Save
Answer: C) Copy
26. Ctrl + V ka upyog?
A) Cut B) Paste C) Copy D) Undo
A) Cut B) Paste C) Copy D) Undo
Answer: B) Paste
27. Ctrl + X ka upyog?
A) Cut B) Paste C) Copy D) Save
A) Cut B) Paste C) Copy D) Save
Answer: A) Cut
28. Ctrl + S ka upyog?
A) Save B) Open C) Close D) Print
A) Save B) Open C) Close D) Print
Answer: A) Save
29. Ctrl + Z ka upyog?
A) Redo B) Undo C) Save D) Paste
A) Redo B) Undo C) Save D) Paste
Answer: B) Undo
30. File ko delete karne ki shortcut key?
A) Del B) Alt C) Esc D) Tab
A) Del B) Alt C) Esc D) Tab
Answer: A) Del
31. 1024 Bytes kitne hote hain?
A) 1 MB B) 1 GB C) 1 KB D) 1 TB
A) 1 MB B) 1 GB C) 1 KB D) 1 TB
Answer: C) 1 KB
32. 1024 KB kitne hote hain?
A) 1 MB B) 1 GB C) 1 TB D) 1 Byte
A) 1 MB B) 1 GB C) 1 TB D) 1 Byte
Answer: A) 1 MB
33. Computer network ka sabse bada network kaun sa hai?
A) LAN B) MAN C) WAN D) Internet
A) LAN B) MAN C) WAN D) Internet
Answer: D) Internet
34. LAN ka Full Form?
A) Local Area Network B) Large Area Network C) Limited Area Network D) Link Area Network
A) Local Area Network B) Large Area Network C) Limited Area Network D) Link Area Network
Answer: A) Local Area Network
35. MAN ka Full Form?
A) Metro Area Network B) Metropolitan Area Network C) Main Area Network D) Manual Area Network
A) Metro Area Network B) Metropolitan Area Network C) Main Area Network D) Manual Area Network
Answer: B) Metropolitan Area Network
36. WAN ka Full Form?
A) Wide Area Network B) Web Area Network C) Wireless Area Network D) World Area Network
A) Wide Area Network B) Web Area Network C) Wireless Area Network D) World Area Network
Answer: A) Wide Area Network
37. Gmail kiski service hai?
A) Microsoft B) Google C) Apple D) Yahoo
A) Microsoft B) Google C) Apple D) Yahoo
Answer: B) Google
38. Linux kya hai?
A) Browser B) Operating System C) Software Package D) Search Engine
A) Browser B) Operating System C) Software Package D) Search Engine
Answer: B) Operating System
39. Mouse ka avishkar kisne kiya?
A) Douglas Engelbart B) Bill Gates C) Steve Jobs D) Charles Babbage
A) Douglas Engelbart B) Bill Gates C) Steve Jobs D) Charles Babbage
Answer: A) Douglas Engelbart
40. BIOS ka Full Form?
A) Basic Input Output System B) Binary Input Output System C) Basic Internal Operating System D) None
A) Basic Input Output System B) Binary Input Output System C) Basic Internal Operating System D) None
Answer: A) Basic Input Output System
41. Cache Memory kahan hoti hai?
A) CPU ke andar B) Hard Disk me C) Monitor me D) Printer me
A) CPU ke andar B) Hard Disk me C) Monitor me D) Printer me
Answer: A) CPU ke andar
42. URL ka Full Form?
A) Uniform Resource Locator B) Universal Resource Locator C) Uniform Record Locator D) None
A) Uniform Resource Locator B) Universal Resource Locator C) Uniform Record Locator D) None
Answer: A) Uniform Resource Locator
43. HTML ka Full Form?
A) Hyper Text Markup Language B) Hyper Transfer Markup Language C) High Text Machine Language D) None
A) Hyper Text Markup Language B) Hyper Transfer Markup Language C) High Text Machine Language D) None
Answer: A) Hyper Text Markup Language
44. WWW ke avishkarak kaun hain?
A) Tim Berners-Lee B) Bill Gates C) Vint Cerf D) Steve Jobs
A) Tim Berners-Lee B) Bill Gates C) Vint Cerf D) Steve Jobs
Answer: A) Tim Berners-Lee
45. PDF ka Full Form?
A) Portable Document Format B) Public Document File C) Printed Data Format D) None
A) Portable Document Format B) Public Document File C) Printed Data Format D) None
Answer: A) Portable Document Format
46. Excel file ka extension kya hota hai?
A) .docx B) .pptx C) .xlsx D) .txt
A) .docx B) .pptx C) .xlsx D) .txt
Answer: C) .xlsx
47. Word file ka extension kya hota hai?
A) .docx B) .xlsx C) .pptx D) .pdf
A) .docx B) .xlsx C) .pptx D) .pdf
Answer: A) .docx
48. PowerPoint file ka extension kya hai?
A) .pptx B) .docx C) .xlsx D) .txt
A) .pptx B) .docx C) .xlsx D) .txt
Answer: A) .pptx
49. Computer virus kya hota hai?
A) Hardware B) Software Program C) Device D) Network
A) Hardware B) Software Program C) Device D) Network
Answer: B) Software Program
50. Computer ko restart karne ki shortcut key kya hai?
A) Ctrl + Alt + Del B) Ctrl + C C) Ctrl + S D) Alt + F4
A) Ctrl + Alt + Del B) Ctrl + C C) Ctrl + S D) Alt + F4
Answer: A) Ctrl + Alt + Del