If you’re preparing for competitive exams or just want to strengthen your computer basics, this Computer MCQ Quiz in Hindi is designed for you.

It includes 50 carefully selected questions that not only test your knowledge but also help you understand key concepts more clearly. Each question comes with the correct answer and a brief explanation for better learning.

👉 Scroll down and start the quiz to check your preparation level.

📝 Before You Start the Quiz:

• Read each question carefully
• Choose only one correct option
• Try to answer on your own first
• Check the explanation if you get it wrong

👉 Tip: Attempt honestly without guessing to get the real idea of your preparation.

Computer Hardware Quiz : 50 Questions

Top 50 mcq Questions on Computer Hardware

1. What is the brain of the computer?

A) RAM
B) CPU
C) Hard Disk
D) Monitor
Answer: B
Explanation: CPU controls all operations.

2. Which device is used to input text?

A) Monitor
B) Keyboard
C) Printer
D) Speaker
Answer: B
Explanation: Keyboard is used for typing.

3. Which part stores data permanently?

A) RAM
B) CPU
C) Hard Disk
D) Cache
Answer: C
Explanation: Hard disk stores data permanently.

4. What is RAM used for?

A) Permanent storage
B) Temporary storage
C) Processing
D) Display
Answer: B
Explanation: RAM stores data temporarily.

5. Which device displays output?

A) Keyboard
B) Mouse
C) Monitor
D) Scanner
Answer: C
Explanation: Monitor shows visual output.

6. Which device prints documents?

A) Monitor
B) Printer
C) CPU
D) Speaker
Answer: B
Explanation: Printer produces hard copies.

7. What is the function of a mouse?

A) Typing
B) Pointing and clicking
C) Printing
D) Storing
Answer: B
Explanation: Mouse controls cursor.

8. Which memory is fastest?

A) Hard Disk
B) RAM
C) Cache
D) ROM
Answer: C
Explanation: Cache is fastest memory.

9. What does CPU stand for?

A) Central Processing Unit
B) Computer Personal Unit
C) Central Power Unit
D) Control Processing Unit
Answer: A
Explanation: CPU is main processor.

10. Which device scans documents?

A) Printer
B) Scanner
C) Monitor
D) Speaker
Answer: B
Explanation: Scanner converts paper to digital.

11. ROM stands for?

A) Read Only Memory
B) Random Output Memory
C) Run Only Memory
D) Read Open Memory
Answer: A
Explanation: ROM stores permanent instructions.

12. Which is an input device?

A) Monitor
B) Printer
C) Keyboard
D) Speaker
Answer: C
Explanation: Keyboard inputs data.

13. Which is an output device?

A) Mouse
B) Scanner
C) Monitor
D) Keyboard
Answer: C
Explanation: Monitor gives output.

14. Which storage is portable?

A) Hard Disk
B) RAM
C) Pen Drive
D) CPU
Answer: C
Explanation: Pen drive is portable.

15. What is motherboard?

A) Storage device
B) Main circuit board
C) Input device
D) Output device
Answer: B
Explanation: It connects all components.

16. Which is secondary memory?

A) RAM
B) Cache
C) Hard Disk
D) Register
Answer: C
Explanation: Hard disk is secondary memory.

17. What is the use of speaker?

A) Input
B) Output sound
C) Storage
D) Processing
Answer: B
Explanation: Speaker produces sound.

18. Which device is used for video calls?

A) Printer
B) Webcam
C) Keyboard
D) CPU
Answer: B
Explanation: Webcam captures video.

19. Which memory is non-volatile?

A) RAM
B) Cache
C) ROM
D) Register
Answer: C
Explanation: ROM keeps data permanently.

20. What does HDD stand for?

A) Hard Disk Drive
B) High Data Drive
C) Hard Data Device
D) High Disk Device
Answer: A
Explanation: HDD stores data.

21. Which device is used to hear sound?

A) Monitor
B) Speaker
C) Keyboard
D) Mouse
Answer: B
Explanation: Speaker outputs sound.

22. What is SSD?

A) Slow Storage Device
B) Solid State Drive
C) System Storage Disk
D) Secondary Storage Device
Answer: B
Explanation: SSD is fast storage.

23. Which is not hardware?

A) Keyboard
B) Mouse
C) Software
D) Monitor
Answer: C
Explanation: Software is not physical.

24. Which device controls all hardware?

A) CPU
B) Monitor
C) Keyboard
D) Printer
Answer: A
Explanation: CPU manages system.

25. What is the use of UPS?

A) Increase speed
B) Backup power
C) Store data
D) Input data
Answer: B
Explanation: UPS provides power backup.

26. Which device inputs images?

A) Scanner
B) Printer
C) Monitor
D) Speaker
Answer: A
Explanation: Scanner inputs images.

27. Which part processes data?

A) RAM
B) CPU
C) Hard Disk
D) Monitor
Answer: B
Explanation: CPU processes data.

28. Which device is used to store data externally?

A) Pen Drive
B) CPU
C) Monitor
D) Keyboard
Answer: A
Explanation: Pen drive stores data.

29. What is cache memory?

A) Slow memory
B) Fast temporary memory
C) Permanent memory
D) External memory
Answer: B
Explanation: Cache is very fast memory.

30. Which device shows printed output?

A) Monitor
B) Printer
C) Speaker
D) CPU
Answer: B
Explanation: Printer gives hard copy.

31. Which device is used for gaming control?

A) Joystick
B) Printer
C) Monitor
D) CPU
Answer: A
Explanation: Joystick controls games.

32. What is BIOS?

A) Basic Input Output System
B) Binary Input Output System
C) Basic Internal Output System
D) Binary Internal Output System
Answer: A
Explanation: BIOS starts the computer.

33. Which is optical storage?

A) Hard Disk
B) CD/DVD
C) RAM
D) Cache
Answer: B
Explanation: CD/DVD uses light.

34. Which memory is volatile?

A) ROM
B) Hard Disk
C) RAM
D) SSD
Answer: C
Explanation: RAM loses data when off.

35. Which device connects computer to internet?

A) Monitor
B) Modem
C) Keyboard
D) Printer
Answer: B
Explanation: Modem provides connection.

36. What is GPU used for?

A) Storage
B) Graphics processing
C) Input
D) Output
Answer: B
Explanation: GPU handles graphics.

37. Which is internal memory?

A) Pen Drive
B) Hard Disk
C) RAM
D) CD
Answer: C
Explanation: RAM is internal memory.

38. Which device gives soft copy output?

A) Printer
B) Monitor
C) Scanner
D) Keyboard
Answer: B
Explanation: Monitor shows soft copy.

39. What is a port?

A) Storage device
B) Connection point
C) Input device
D) Output device
Answer: B
Explanation: Ports connect devices.

40. Which is used for typing numbers fast?

A) Mouse
B) Numeric Keypad
C) Monitor
D) Scanner
Answer: B
Explanation: Numeric keypad speeds typing.

41. Which is used to cool CPU?

A) Fan
B) Monitor
C) Keyboard
D) Printer
Answer: A
Explanation: Fan prevents overheating.

42. Which device is used to read barcode?

A) Scanner
B) Barcode Reader
C) Printer
D) Mouse
Answer: B
Explanation: Reads barcodes.

43. What is expansion slot?

A) Storage
B) Place for adding cards
C) Input device
D) Output device
Answer: B
Explanation: Used to add components.

44. Which is not input device?

A) Keyboard
B) Mouse
C) Printer
D) Scanner
Answer: C
Explanation: Printer is output.

45. Which device records audio?

A) Speaker
B) Microphone
C) Monitor
D) Printer
Answer: B
Explanation: Microphone captures sound.

46. Which is fastest storage?

A) HDD
B) SSD
C) CD
D) DVD
Answer: B
Explanation: SSD is faster than HDD.

47. What is the use of heat sink?

A) Store data
B) Cool components
C) Input data
D) Output data
Answer: B
Explanation: It dissipates heat.

48. Which device helps in drawing?

A) Light Pen
B) Printer
C) Speaker
D) CPU
Answer: A
Explanation: Light pen used for drawing.

49. Which device converts digital to paper?

A) Monitor
B) Printer
C) Scanner
D) CPU
Answer: B
Explanation: Printer gives hard copy.

50. Which is primary memory?

A) Hard Disk
B) RAM
C) CD
D) Pen Drive
Answer: B
Explanation: RAM is primary memory.