Computer mcqs for all commission exams

Basic computer knowledge mcqs

#Basic_computer_Knowledge_for_Tests

1. The length of IP address is? Ans. 32 bits

2. Facebook was launched in? Ans. 2004

3. The docx file contains? Ans: MS Office Word

4. The file extension DLL stands for? Ans. Dynamic Link Library

5. Extension of  MS Access Database is? A. mdb √
B. Doc
C. db

When did John Napier develop logarithm?
A. 1417                                  
B. 1614
C. 1655                             
D. 1802
Answer: B

6. to permanently delete a file from Windows computer?
A. Shift + delete √
B. Cntrl+ shift
C. Alt+A4

7. How to open a new document is?
A. Ctrl + N √
B. Ctrl + O

8. Data is permanently stored in?
A. Hard Disk √
B. Soft disk
C. Memory drive

9. What steps to upgrade a 32-bit version to a 64-bit version of Windows? Ans. It cannot be upgraded

10. Which one of the following would not be considered as a form of secondary storage?
(a) Floppy (b) Optical (c) RAM* (d)Hard Disk
(Ans: c)

11. CSS is abbreviation of :
Ans. Cascading Style Sheets

12. The format of the URL is :
Ans. type: // Address /path /

14. Java in computer programming is a–
(d) High-level Language*
(Ans: d)

15. There are _____ versions of Windows 8 for PC ?
Ans. 3 versions

16. A group of 8 bits is known as :
Ans. Byte

17. shortcut key To subscript a text is : Ans. Ctrl + <

18. The file extension .jsp stands for: Ans. Java Server Page

20. The microphone converts the sound into: Ans. Electrical Signals

21. A device which connects multiple nodes to the network is:
A. A hub √
B. A switch

23. What is Windows XP?
A. An operating system √
B. A program
C. An application software

24. ATM is abbreviation of :
Ans. Automated Teller Machine

25. To find information on World Wide Web we use :
Ans. Search Engine

26. What is extension of Microsoft Word document?
Ans. doc*

27. Who is the founder of IBM Company? Ans. Thomas J. Watson

28. Volatile Memory is:
Ans. Ram

29. BIOS is the abbreviation of ………
A. Basic Input Output System                 
B. Best Input Output System
C. Basic Input Output Symbol                 
D. Base Input Output System
Answer: A

30. Copying a software without purchasing it is _________ .
Ans. Software Piracy

31. Which one is the Low Level Language?
A. Assembly                                  
B. Visual Basic
C. Java
D.C++
Answer: A

33. Purpose of using Firewall in a computer is to maintain:
Ans. security

34. What is the full form of ISO? Ans. International Standard Organization

35. In Windows 10, what is the shortcut key to Open programs that are pinned to task bar?
Ans. Windows + [1][2][3][…]

37. Green wavy lines under text indicate? Ans. Grammatical Mistake

38. SQL is a 👎 : Ans. Structured Language

39. Windows 8 was released in which year? Ans. 2011

40. Which one is an Operating System? Ans. Windows Vista

41. A Terabyte represents about: Ans. 1 trillion bytes

42. The file extension PNG stands for: Ans. Portable Network Graphic File

43. Which is a valid program to access the Internet?
A. Access                                             
B. Front Page
C. Windows Explorer                    
D. Netscape
Answer: D

44. A network that covers large area, city, country and World is called: Ans. WAN
36. The transfer of data from one place to another is called:
Ans. Data Communication

45. What is meaning of .mng? Ans. Multiple Network Graphic

46. Windows 7 is preceded by which version of the windows? Ans. Windows Vista

47. What is the name of new built-in browser includes in Windows 10? Ans. Super Internet Explorer Pro

48. A normal CD-ROM usually can store up to _______data?
A. 680 KB                               
B. 680 Bytes
C. 680 MB                              
D. 680 GB
Answer: C

49. In Windows 7, what is the shortcut key for creating a New Folder? Ans:Ctrl + Shift + N

50. What is the full form of TCP? Ans. Transmission Control Protocol

51. Arithmetic Logic Unit (ALU) can do: Ans. Logical Operation, Mathematical Operation

52. How many function keys are there in a computer keyboard are:
Ans. 12

53. A bit can be _______ . Ans. 1 or 0

54. Which of the following is Dot Matrix Printer?
A. Laser                                 
B. Inkjet
C. Impact                              
D. Drum
Answer: C

55.Shortcut for Save as command is: Ans. F12

56. What is the capacity of a 3.5” Floppy Disk?
A. 360KB                        
B. 720KB
C. 1.2MB                          
D. 1.44MB
Answer: D

57. _______ is Internet Protocol?
Ans. TCP/IP

58. Which statement is valid?
A. 1 KB = 8 bytes                                     
B. 1 MB = 8 KB
C. 1 KB = 1024 bytes                              
D. 1 MB = 1024 bytes
Answer: C

60. Which of the following is an email client?
Ans. Yahoo

61. bar located at the bottom of the desktop is known as
A. Footer
B. Taskbar √
C. Header

62. What is the full form of Wi-Fi? Ans. Wireless Fidelity

63. printer's output is known as:
Ans. Hard Copy

64. Which of the following option is not true for FORTRAN?
Ans. Translation

65. Technology is used in leaser beams is  :
A. Optical Disks √
B. Hard disk

66. from which device main component of the computer communicate with each other?
A. Keyboard                                            
B. System Bus
C. Monitor                                               
D. Memory
Answer: B

67. Abbreviation of PDF?
Ans. Portable Document Format

68. The Google IPO was done in:
Ans. 2004

69. Shortcut Key to center a Paragraph is: Ans. Ctrl + E

70. A Search Engine is:
Ans. A website that look through databases for matching criteria

71. The digital signals can be represented by
A. Binary Codes                              
B. 0 and 1
C. High and Low                            
D. all of the above
Answer: D

72. Printer is an example of: Ans. Hardcopy

73. Who invented the Qwerty Keyboard? Ans: Christopher Latham Sho