100 computer questions and answers 2024

Hello friends, today I want to give you some interesting 100 computer questions and answers in english and their answers which are very interesting and will give you a lot of information. If you are preparing for the exam then it is necessary to have knowledge of General Knowledge (GK). If you want then here are some questions below which you can see and learn

और पढ़े :-  Gk Ke Sawal | सामान्य ज्ञान के सवाल

100 computer questions and answers

1. Who is the developer of computer ?

 A) Dennis Ritchie
 B) James Gosling
 C) Charles Babbage
 D) None

ANSWER= (C) Charles Babbage

 

2. What is the full form of COMPUTER?

 A) Compact Operating Menu Purposely Under in Technical and Educational Research
 B) Commonly Operating Machine Purposely Used for Technical and Educational Research
 C) Commonly Operating Machine Permanently Used for Timing Educational Research
 D) None

ANSWER= (B) Commonly Operating Machine Purposely Used for Technical and Educational Research

 

3. The smallest unit of data in computer is......?

 A) bit
 B) Nibble
 C) kb
 D) bytes

ANSWER= (A) bit

 

4. In computer system, 1 Nibble equal to......?

 A) 1 bit
 B) 8 bytes
 C) 4 bits
 D) 1 kb ?

ANSWER= (C) 4 bits

 

5. One Byte equal to......?

 A) 8 bits
 B) 1 Nibble
 C) 4 bits
 D) None ?

ANSWER= (A) 8 bits

 

6. What is the full form of CPU ?

 A) Central Processing Unit
 B) Control Processing Unit
 C) Control Principle Unit
 D) All of the above ?

ANSWER= (A) Central Processing Unit

 

7. How many parts are there in CPU?

 A) 1
 B) 2
 C) 3
 D) 4

ANSWER= (B) 2

 

8. The brain of any computer system is....?

 A) CU
 B) ALU
 C) Memory
 D) CPU

ANSWER= (D) CPU

 

9. Which of the following is not a example of software?

 A) MS-Office
 B) Tally
 C) Chrome
 D) Mouse

ANSWER= (D) Mouse

 

50 computer Questions with Answers

10. How many computer generations are there ?

 A) 1
 B) 2
 C) 4
 D) 5

ANSWER= (D) 5

 

11. What is the time period of 1st generation's computer?

 A) 1939-1945
 B) 1946-1959
 C) 1959-1965
 D) None

ANSWER= (B) 1946-1959

 

12. In 1st generation of computer, which technology was used?

 A) ICs
 B) Transistor
 C) Vacuum Tube
 D) VLSI

ANSWER= (C) Vacuum Tube

 

13. In memory, full name of kb ?

 A) Knowbit
 B) Kilobyte
 C) Kneebyte
 D) Kiloit

ANSWER= (B) Kilobyte

 

14. 1 kb equal to.....?

 A) 1000 byte
 B) 1 MB
 C) 1024 byte
 D) None

ANSWER= (C) 1024 byte

 

15. How many type of memory are there ?

 A) 1
 B) 2
 C) 4
 D) 3

ANSWER= (B) 2

 

16. Which of the following is the example of Volatile memory ?

 A) Primary
 B) Secondary
 C) RAM
 D) ROM

ANSWER= (C) RAM

 

17. RAM stands for ?

 A) Random Access Memory
 B) Read Access Memory
 C) Both 1&2
 D) None

ANSWER= (A) Random Access Memory

 

18. Which of the following is the example of Input Device?

 A) Keyboard
 B) Mouse
 C) Scanner
 D) All of the above

ANSWER= (D) All of the above

 

19. CPU consist of...... ?

 A) ALU + CU
 B) RAM + ROM
 C) RAM + ALU
 D) ROM + CU

ANSWER= (A) ALU + CU

 

20. Which of the following is not component of computer system ?

 A) Input device
 B) Memory
 C) Stepper Motor
 D) None

ANSWER= (C) Stepper Motor

 

21. Which of the following is the valid measurement unit of memory ?

 A) KB
 B) MB
 C) GB
 D) All of the above

ANSWER= (D) All of the above

 

22. How many Arrow Keys are in Keyboard ?

 A) 1
 B) 2
 C) 3
 D) 4

ANSWER= (D) 4

 

23. How many Keys are on Keyboard ?

 A) 101
 B) 102
 C) 103
 D) 104

ANSWER= (D) 104

 

24. The list of Coded instructions in Computer is called ?

 A) Algorithm
 B) Flowchart
 C) Computer Program
 D) None

ANSWER= (C) Computer Program

 50 computer questions with answers in english

25. The part of CPU, which perform all mathematical operations ?

 A) cu
 B) Memory
 C) ALU
 D) Register

ANSWER= (C) ALU

 

26. Examples of Hardware ?

 A) Keyboard
 B) Mouse
 C) Printer
 D) All of the above

ANSWER= (D) All of the above

 

27. How many types of S/W are....?

 A) 1
 B) 2
 C) 3
 D) 4

ANSWER= (B) 2

 

28. FiFo stands for....?

 A) First inter First opening
 B) First in First out
 C) First instruction First operation
 D) None

ANSWER= (B) First in First out

 

29. ALU is part of memory ?

 A) True
 B) False
 C) Both
 D) None

ANSWER= (B) False

 

30. Types of RAM ?

 A) SRAM
 B) DRAM
 C) Both
 D) None

ANSWER= (C) Both

 

31. Can H/W work without device driver ?

 A) True
 B) False
 C) Sometimes
 D) None

ANSWER= (B) False

 

32. Shortcut key of folder creation ?

 A) F2
 B) Ctrl+C
 C) Ctrl + Shift + N
 D) Ctrl

ANSWER= (C) Ctrl + Shift + N

 

33. Computer shutdown shortcut key?

 A) Alt + F4
 B) Ctrl + F4
 C) Shift
 D) All

ANSWER= (A) Alt + F4

 

34. Computer Refresh shortcut key ?

 A) F4
 B) F3
 C) F6
 D) F5

ANSWER= (D) F5

 

35. Which of the following is the examples of O.S ?

 A) Windows
 B) Linux
 C) MS-DOS
 D) All of the above

ANSWER= (D) All of the above

 

36.Which of the following is the example of Volatile memory ?

 A) SRAM
 B) DRAM
 C) ROM
 D) Both 1 & 2

ANSWER= (D) Both 1 & 2

 

37. What is the use of Ctrl +Z ?

 A) For Copy
 B) For Past
 C) For Undo
 D) For Delete

ANSWER= (C) For Undo

 

38. What is the use of Shift + Delete?

 A) For permanent delete
 B) For temporary delete
 C) For backup
 D) None

ANSWER= (A) For permanent delete

 

39. Ctrl + C used for.....?

 A) Cut
 B) Copy
 C) Paste backup
 D) Undo

ANSWER= (B) Copy

 

40. What is the shortcut key of Select all ?

 A) Ctrl + A
 B) Ctrl + B
 C) Ctrl + C
 D) Ctrl + D

ANSWER= (A) Ctrl + A

 

41. Ctrl + X used for...... ?

 A) Cut
 B) Copy
 C) Paste
 D) Delete

ANSWER= (A) Cut

 

42. What is the example of binary number?

 A) 0 & 1
 B) 1 & 2
 C) 2 & 3
 D) 3 & 4

ANSWER= (A) 0 & 1

 

43. Bits stand for ....?

 A) Binary Digits
 B) Bin Digits
 C) Bin file
 D) None

ANSWER= (A) Binary Digits

 

44. The BCD uses how many bits ?

 A) 6 bits
 B) 8 bits
 C) 32 bits
 D) 128 bits

ANSWER= (A) 6 bits

 

45. Which of the following is the logic gate ?

 A) AND
 B) OR
 C) NOT
 D) All

ANSWER= (D) All

 

20 questions on computer with answers

46. The two kinds of main memory are ?

 A) CD & DVD
 B) RAM & ROM
 C) Primary & Secondary
 D) All of the above

ANSWER= (B) RAM & ROM

 

47. O.S is the example of..... ?

 A) Hardware
 B) Software
 C) Both
 D) None

ANSWER= (B) Software

 

48. The main memory of computer is also known as ?

 A) Primary
 B) Secondary
 C) Internal
 D) None

ANSWER= (A) Primary

 

49. E-mail stands for

 A) Eject mail
 B) Enter mail
 C) Electronic mail
 D) All

ANSWER= (C) Electronic mail

 

50. G-mail stands for.....?

 A) Global mail
 B) Google mail
 C) Both
 D) None

ANSWER= (B) Google mail

 

51. Half byte or 4 bits is called.....?

 A) Pixel
 B) Memory
 C) Nibble
 D) None

ANSWER= (C) Nibble

 

52. ARPANET stands for ?

 A) Advanced Research Projects Agency Network
 B) Advance Refresh Projects Agency Network
 C) All Research Profile Agency Network
 D) None

ANSWER= (A) Advanced Research Projects Agency Network

 

53. The first computer network is ?

 A) LAN
 B) VAN
 C) PAN
 D) ARPANET

ANSWER= (D) ARPANET

 

54. How much data can be storeina CD ?

 A) 500 MB
 B) 600 MB
 C) 700 MB
 D) 1 GB

ANSWER= (C) 700 MB

conclusion

Finding questions and answers about different things helps us learn a lot. It makes us curious about the world and helps us understand many different subjects. We can learn about history, science, current events and culture. This not only helps us learn more

But it also helps in thinking better. Knowing many things helps us work together and understand each other better. It also helps us to communicate better and learn about new things happening around us. When we keep learning and sharing knowledge, we can make our society smarter and more aware