These cover key topics for competitive exams like banking (IBPS, SBI), SSC, railway, and other government tests in India. Topics include basics, hardware, software, memory, networking, internet, MS Office, and more.
Computer Awareness MCQs (1-20)
1. Who is known as the father of computers?
A) James Gosling
B) Charles Babbage
C) Dennis Ritchie
D) Bill Gates
Answer: B) Charles Babbage
2. What does CPU stand for?
A) Central Processing Unit
B) Control Processing Unit
C) Central Program Unit
D) Control Program Unit
Answer: A) Central Processing Unit
3. Which of the following is an input device?
A) Monitor
B) Printer
C) Keyboard
D) Speaker
Answer: C) Keyboard
4. What does RAM stand for?
A) Random Access Memory
B) Read Access Memory
C) Random Available Memory
D) Readily Access Memory
Answer: A) Random Access Memory
5. Which memory is volatile?
A) ROM
B) Hard Disk
C) RAM
D) CD-ROM
Answer: C) RAM
6. The brain of the computer is:
A) Hard Disk
B) CPU
C) RAM
D) Monitor
Answer: B) CPU
7. Which of the following is NOT an operating system?
A) Windows
B) Linux
C) MS Office
D) Android
Answer: C) MS Office
8. WWW stands for:
A) World Wide Web
B) World Web Wide
C) Wide World Web
D) Web World Wide
Answer: A) World Wide Web
9. 1 Byte is equal to:
A) 4 bits
B) 8 bits
C) 16 bits
D) 32 bits
Answer: B) 8 bits
10. Which device is used to convert digital signals to analog and vice versa?
A) CPU
B) Modem
C) RAM
D) Printer
Answer: B) Modem
MCQs 11-40
11. ALU stands for:
A) Arithmetic Logic Unit
B) Array Logic Unit
C) Application Logic Unit
D) Arithmetic Language Unit
Answer: A) Arithmetic Logic Unit
12. Which is a secondary memory?
A) RAM
B) Cache Memory
C) Hard Disk
D) Registers
Answer: C) Hard Disk
13. MS Word is an example of:
A) System Software
B) Application Software
C) Utility Software
D) Operating System
Answer: B) Application Software
14. The full form of GUI is:
A) Graphical User Interface
B) General User Interface
C) Graphical Utility Interface
D) General Utility Interface
Answer: A) Graphical User Interface
15. Which protocol is used to send emails?
A) HTTP
B) SMTP
C) FTP
D) POP
Answer: B) SMTP
16. ROM is:
A) Volatile
B) Non-volatile
C) Temporary
D) None of these
Answer: B) Non-volatile
17. A group of 4 bits is called:
A) Byte
B) Nibble
C) Word
D) Kilobyte
Answer: B) Nibble
18. Which is the smallest unit of data in a computer?
A) Bit
B) Byte
C) KB
D) MB
Answer: A) Bit
19. Firewall is used for:
A) Data storage
B) Network security
C) Printing
D) Virus creation
Answer: B) Network security
20. What does OS stand for?
A) Operating System
B) Open Software
C) Optical System
D) Output System
Answer: A) Operating System
21. Which of the following is an example of system software?
A) MS Excel
B) Windows
C) Photoshop
D) Notepad
Answer: B) Windows
22. USB stands for:
A) Universal Serial Bus
B) United Serial Bus
C) Universal System Bus
D) United System Bus
Answer: A) Universal Serial Bus
23. The process of starting a computer is called:
A) Booting
B) Loading
C) Debugging
D) Compiling
Answer: A) Booting
24. Which memory is used to store BIOS?
A) RAM
B) ROM
C) Cache
D) Hard Disk
Answer: B) ROM
25. IP address is used for:
A) Identifying a computer on the network
B) Storing data
C) Printing documents
D) Virus protection
Answer: A) Identifying a computer on the network
26. Which is not a type of computer network?
A) LAN
B) WAN
C) MAN
D) TAN
Answer: D) TAN
27. Ctrl + C is used for:
A) Paste
B) Copy
C) Cut
D) Undo
Answer: B) Copy
28. The full form of PDF is:
A) Portable Document Format
B) Personal Document Format
C) Printable Document File
D) None of these
Answer: A) Portable Document Format
29. Which generation of computers used VLSI?
A) First
B) Second
C) Third
D) Fourth
Answer: D) Fourth
30. A computer virus is:
A) Hardware
B) Software
C) Malicious program
D) Operating system
Answer: C) Malicious program
31. Which is an output device?
A) Mouse
B) Keyboard
C) Printer
D) Scanner
Answer: C) Printer
32. Cache memory is:
A) Very slow
B) Very fast
C) Secondary memory
D) Non-volatile
Answer: B) Very fast
33. HTTP stands for:
A) Hyper Text Transfer Protocol
B) High Text Transfer Protocol
C) Hyper Text Transmission Protocol
D) None of these
Answer: A) Hyper Text Transfer Protocol
34. Which is the brain of any computer system?
A) Control Unit
B) Arithmetic Logic Unit
C) Central Processing Unit
D) Memory Unit
Answer: C) Central Processing Unit
35. 1024 KB is equal to:
A) 1 MB
B) 1 GB
C) 1 TB
D) 1 Byte
Answer: A) 1 MB
36. Which software is used for creating presentations?
A) MS Word
B) MS Excel
C) MS PowerPoint
D) MS Access
Answer: C) MS PowerPoint
37. LAN stands for:
A) Local Area Network
B) Large Area Network
C) Long Area Network
D) Linear Area Network
Answer: A) Local Area Network
38. The first computer virus is known as:
A) Creeper
B) ILOVEYOU
C) Melissa
D) Trojan
Answer: A) Creeper
39. Which key is used to refresh a webpage?
A) F1
B) F5
C) F12
D) Ctrl + R
Answer: B) F5
40. What is the full form of MICR?
A) Magnetic Ink Character Recognition
B) Magnetic Ink Code Reader
C) Magnetic Input Character Reader
D) None of these
Answer: A) Magnetic Ink Character Recognition
MCQs 41-70
41. Which is a pointing device?
A) Keyboard
B) Mouse
C) Printer
D) Monitor
Answer: B) Mouse
42. EEPROM stands for:
A) Electrically Erasable Programmable Read Only Memory
B) Electronically Erasable Programmable Read Only Memory
C) Electrically Enabled Programmable ROM
D) None of these
Answer: A) Electrically Erasable Programmable Read Only Memory
43. Which topology requires a central hub?
A) Bus
B) Ring
C) Star
D) Mesh
Answer: C) Star
44. Excel is used for:
A) Word processing
B) Spreadsheet
C) Presentation
D) Database
Answer: B) Spreadsheet
45. What does DNS stand for?
A) Domain Name System
B) Dynamic Name System
C) Data Name Server
D) Domain Network System
Answer: A) Domain Name System
46. A nibble consists of:
A) 4 bits
B) 8 bits
C) 16 bits
D) 32 bits
Answer: A) 4 bits
47. Which is an example of optical storage?
A) Hard Disk
B) Pen Drive
C) CD/DVD
D) SSD
Answer: C) CD/DVD
48. The shortcut for undo is:
A) Ctrl + Z
B) Ctrl + Y
C) Ctrl + X
D) Ctrl + V
Answer: A) Ctrl + Z
49. Which protocol is used for file transfer?
A) SMTP
B) FTP
C) HTTP
D) POP3
Answer: B) FTP
50. Primary memory is also called:
A) Auxiliary memory
B) Main memory
C) Secondary memory
D) External memory
Answer: B) Main memory
51-70: (Commonly asked questions similar to above pattern)
51. Scanner is an ______ device. (Input)
52. Compiler translates ______ language to machine language. (High-level)
53. IPv4 address is ______ bits long. (32)
54. Ctrl + S is used for ______. (Save)
55. BIOS is stored in ______. (ROM)
56. MAN stands for ______. (Metropolitan Area Network)
57. MS Access is used for ______. (Database)
58. The brain of the computer is ______. (CPU)
59. 1 GB = ______ MB. (1024)
60. Trojan is a type of ______. (Malware)
61. Which is faster: RAM or Hard Disk? (RAM)
62. URL stands for ______. (Uniform Resource Locator)
63. Which is not a search engine? (Windows)
64. OLE stands for ______. (Object Linking and Embedding)
65. The extension of MS Word file is ______. (.doc or .docx)
66. Which is a volatile memory? (RAM)
67. Wi-Fi stands for ______. (Wireless Fidelity)
68. The full form of PDF is ______. (Portable Document Format)
69. Which command is used to copy files in DOS? (COPY)
70. Supercomputer is used for ______. (Complex scientific calculations)
MCQs 71-100 (Quick Revision Style)
71. Which is the most commonly used input device? Keyboard/Mouse
72. What is the full form of HTML? Hyper Text Markup Language
73. Which memory loses data when power is off? RAM
74. ISP stands for: Internet Service Provider
75. The extension for PowerPoint is: .ppt or .pptx
76. Which is an anti-virus example? Norton / Quick Heal
77. Bus topology uses ______ cable. Coaxial
78. The first electronic computer is: ENIAC
79. Ctrl + Alt + Del is used for: Task Manager / Restart
80. Which is a programming language? C / Java / Python
81. SSD stands for: Solid State Drive
82. Phishing is a type of: Cyber attack
83. Which key moves to the beginning of the line? Home
84. The default page orientation in Word is: Portrait
85. What is the brain of any computer system? CPU
86. 1 TB = ______ GB. 1024
87. Which is not hardware? MS Word
88. FTP is used for: File Transfer
89. The shortcut for bold is: Ctrl + B
90. Which generation used transistors? Second
91. Cloud computing provides: On-demand resources
92. MAC address is: Physical address
93. Which is faster for data access? Cache memory
94. The full form of VPN is: Virtual Private Network
95. Which software protects from viruses? Antivirus
96. Default font in MS Word is usually: Calibri
97. Ring topology has data flow in: Unidirectional
98. What does GHz measure? Processor speed
99. Which is an example of application software? Tally / Photoshop
100. The Internet was developed in: 1960s (ARPANET)
These MCQs are compiled from standard computer fundamentals topics frequently asked in exams. For best preparation, revise concepts like generations of computers, input/output devices, memory hierarchy, networking basics, MS Office shortcuts, and internet protocols.