Computer Basic

100 MCQs - Basics of Computer

100 MCQs — Basics of Computer

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1. What does 'CPU' stand for?

  • A) Central Process Unit
  • B) Central Processing Unit
  • C) Computer Personal Unit
  • D) Central Processor Utility

2. Who is considered the father of computers?

  • A) Alan Turing
  • B) Charles Babbage
  • C) Bill Gates
  • D) John von Neumann

3. Which generation of computers used vacuum tubes?

  • A) First generation
  • B) Second generation
  • C) Third generation
  • D) Fourth generation

4. Which generation introduced microprocessors?

  • A) First
  • B) Second
  • C) Third
  • D) Fourth

5. Which device is considered the brain of the computer?

  • A) Monitor
  • B) CPU
  • C) Keyboard
  • D) Mouse

6. A computer is basically a machine that processes what?

  • A) Only numbers
  • B) Only text
  • C) Data into information
  • D) Only images

7. Which of these is an example of a supercomputer?

  • A) iPhone
  • B) PARAM
  • C) Casio calculator
  • D) Smartwatch

8. Which type of computer is used in homes and offices?

  • A) Mainframe
  • B) Personal Computer (PC)
  • C) Supercomputer
  • D) Minicomputer

9. What does 'PC' stand for?

  • A) Public Computer
  • B) Personal Computer
  • C) Processing Computer
  • D) Portable Computer

10. Which is the smallest unit of data in a computer?

  • A) Byte
  • B) Bit
  • C) Nibble
  • D) Word

11. How many bits make one byte?

  • A) 4
  • B) 8
  • C) 16
  • D) 32

12. Which of the following is an analog computer example?

  • A) Laptop
  • B) Desktop
  • C) Thermometer
  • D) Smartphone

13. Which company developed the first commercially successful PC?

  • A) Apple
  • B) IBM
  • C) Microsoft
  • D) Dell

14. The term 'hardware' refers to:

  • A) Programs and instructions
  • B) Physical components of a computer
  • C) Data stored in files
  • D) Internet connections

15. The term 'software' refers to:

  • A) Set of instructions/programs
  • B) Physical parts of a computer
  • C) Only the monitor
  • D) Only the keyboard

16. Which of these is NOT a characteristic of a computer?

  • A) Speed
  • B) Accuracy
  • C) Emotion
  • D) Storage

17. Which generation of computers used Integrated Circuits (ICs)?

  • A) First
  • B) Second
  • C) Third
  • D) Fifth

18. Fifth generation computers are based on:

  • A) Vacuum tubes
  • B) Transistors
  • C) Artificial Intelligence
  • D) ICs

19. Which is the full form of 'IC'?

  • A) Internal Component
  • B) Integrated Circuit
  • C) Input Control
  • D) Internet Connection

20. A laptop is an example of which type of computer?

  • A) Mainframe
  • B) Portable/Personal computer
  • C) Supercomputer
  • D) Server

21. Which of the following is an input device?

  • A) Monitor
  • B) Printer
  • C) Keyboard
  • D) Speaker

22. Which of the following is an output device?

  • A) Mouse
  • B) Scanner
  • C) Monitor
  • D) Keyboard

23. A mouse is mainly used to:

  • A) Print documents
  • B) Point and click on screen items
  • C) Store data
  • D) Scan images

24. Which device converts a physical document into digital form?

  • A) Printer
  • B) Scanner
  • C) Speaker
  • D) Projector

25. Which of these is both an input and output device?

  • A) Keyboard
  • B) Mouse
  • C) Touchscreen
  • D) Scanner

26. What is the function of a printer?

  • A) Capture images
  • B) Produce a hard copy of data
  • C) Play sound
  • D) Input text

27. Which part of the computer is called the 'control center'?

  • A) RAM
  • B) CPU
  • C) Hard disk
  • D) Monitor

28. Which of the following is a pointing device?

  • A) Keyboard
  • B) Mouse
  • C) Printer
  • D) Monitor

29. Which is an example of an output device that produces sound?

  • A) Microphone
  • B) Speaker
  • C) Scanner
  • D) Keyboard

30. Which input device is used mainly for voice input?

  • A) Speaker
  • B) Microphone
  • C) Webcam
  • D) Joystick

31. A webcam is primarily used for:

  • A) Printing
  • B) Capturing video/images
  • C) Typing
  • D) Playing audio

32. Which of these is used for gaming input?

  • A) Scanner
  • B) Joystick
  • C) Printer
  • D) Monitor

33. The CPU consists of which main parts?

  • A) Monitor and keyboard
  • B) ALU, CU, and registers
  • C) RAM and ROM only
  • D) Mouse and printer

34. 'ALU' stands for:

  • A) Automatic Logic Unit
  • B) Arithmetic Logic Unit
  • C) Advanced Learning Unit
  • D) Application Level Unit

35. What does 'CU' in CPU architecture stand for?

  • A) Central Unit
  • B) Control Unit
  • C) Computer Utility
  • D) Core Unit

36. Which device is used to display output visually?

  • A) Speaker
  • B) Monitor
  • C) Printer
  • D) Keyboard

37. Which of the following is NOT an input device?

  • A) Keyboard
  • B) Scanner
  • C) Printer
  • D) Mouse

38. Touchpad is commonly found in:

  • A) Desktop computers
  • B) Laptops
  • C) Printers
  • D) Servers

39. Which device is used to project a computer's display onto a large screen?

  • A) Monitor
  • B) Projector
  • C) Scanner
  • D) Printer

40. A barcode reader is an example of:

  • A) Output device
  • B) Input device
  • C) Storage device
  • D) Processing device

41. What does 'RAM' stand for?

  • A) Read Access Memory
  • B) Random Access Memory
  • C) Run Active Memory
  • D) Read Active Module

42. RAM is a type of:

  • A) Permanent memory
  • B) Volatile/temporary memory
  • C) Storage device
  • D) Output device

43. What does 'ROM' stand for?

  • A) Read Only Memory
  • B) Random Only Memory
  • C) Read Output Memory
  • D) Run Only Memory

44. Which memory is non-volatile (data is retained without power)?

  • A) RAM
  • B) ROM
  • C) Cache
  • D) Register

45. Which is faster: RAM or Hard Disk?

  • A) Hard Disk
  • B) RAM
  • C) Both are equal
  • D) Neither

46. Which of these is a secondary storage device?

  • A) RAM
  • B) Cache memory
  • C) Hard Disk
  • D) Register

47. 1 Kilobyte (KB) is equal to:

  • A) 1000 bytes
  • B) 1024 bytes
  • C) 100 bytes
  • D) 1 byte

48. 1 Megabyte (MB) is equal to:

  • A) 1024 bytes
  • B) 1024 KB
  • C) 1024 GB
  • D) 1 GB

49. 1 Gigabyte (GB) is equal to:

  • A) 1024 bytes
  • B) 1024 KB
  • C) 1024 MB
  • D) 1024 TB

50. Which comes first in increasing order of storage size?

  • A) MB, KB, GB, TB
  • B) KB, MB, GB, TB
  • C) GB, MB, KB, TB
  • D) TB, GB, MB, KB

51. A CD (Compact Disc) is an example of:

  • A) Input device
  • B) Optical storage device
  • C) Output device
  • D) Processing device

52. Which of these has the highest storage capacity typically?

  • A) CD
  • B) DVD
  • C) Blu-ray Disc
  • D) Floppy disk

53. A USB flash drive is a type of:

  • A) Optical storage
  • B) Portable/removable storage
  • C) Volatile memory
  • D) Output device

54. Which memory is used to speed up processor operations by storing frequently used data?

  • A) ROM
  • B) Cache memory
  • C) Hard disk
  • D) Floppy disk

55. Which of the following is the oldest storage medium?

  • A) SSD
  • B) Floppy disk
  • C) Blu-ray disc
  • D) USB drive

56. SSD stands for:

  • A) Slow Storage Drive
  • B) Solid State Drive
  • C) Secondary Storage Device
  • D) System Storage Disk

57. Which is faster: SSD or traditional Hard Disk Drive (HDD)?

  • A) HDD
  • B) SSD
  • C) Both same speed
  • D) Neither

58. Data in RAM is lost when:

  • A) The file is closed
  • B) The computer is powered off
  • C) The screen is locked
  • D) The mouse is disconnected

59. Which unit is larger: Terabyte or Gigabyte?

  • A) Gigabyte
  • B) Terabyte
  • C) Both are equal
  • D) Cannot be determined

60. BIOS is stored in which type of memory?

  • A) RAM
  • B) ROM
  • C) Cache
  • D) Hard disk

61. Which of these is an operating system?

  • A) MS Word
  • B) Windows
  • C) Photoshop
  • D) Chrome

62. Which of the following is application software?

  • A) Windows
  • B) Linux
  • C) MS Excel
  • D) macOS

63. The main function of an operating system is to:

  • A) Only play games
  • B) Manage hardware and software resources
  • C) Print documents
  • D) Browse the internet only

64. Which is an open-source operating system?

  • A) Windows
  • B) macOS
  • C) Linux
  • D) None of these

65. Which of these is NOT an operating system?

  • A) Windows
  • B) macOS
  • C) Linux
  • D) MS Word

66. System software includes:

  • A) Games
  • B) Operating systems and utility programs
  • C) Word processors only
  • D) Web browsers only

67. Which software is used to create documents?

  • A) MS Excel
  • B) MS Word
  • C) MS PowerPoint
  • D) MS Access

68. Which software is used to create spreadsheets?

  • A) MS Word
  • B) MS Excel
  • C) MS PowerPoint
  • D) Notepad

69. Which software is used for creating presentations?

  • A) MS Word
  • B) MS Excel
  • C) MS PowerPoint
  • D) Paint

70. Which of these is an example of a web browser?

  • A) MS Word
  • B) Google Chrome
  • C) Windows Media Player
  • D) Notepad

71. Antivirus software is used to:

  • A) Increase computer speed only
  • B) Protect the computer from malicious software
  • C) Create documents
  • D) Browse websites

72. Which of these is a type of malicious software?

  • A) Antivirus
  • B) Virus
  • C) Firewall
  • D) Operating system

73. Which is an example of open-source software?

  • A) MS Office
  • B) Adobe Photoshop
  • C) LibreOffice
  • D) Windows

74. Which of the following is a text editor?

  • A) MS Excel
  • B) Notepad
  • C) MS PowerPoint
  • D) Photoshop

75. Utility software is designed to:

  • A) Create games only
  • B) Help maintain and optimize computer performance
  • C) Browse internet only
  • D) Type documents only

76. Which of these is a mobile operating system?

  • A) Windows XP
  • B) Android
  • C) MS-DOS
  • D) Ubuntu Server

77. Device drivers are a type of:

  • A) Application software
  • B) System software
  • C) Game software
  • D) None of these

78. Which of the following is used to compress files?

  • A) MS Word
  • B) WinRAR/WinZip
  • C) Paint
  • D) Notepad

79. Firmware is:

  • A) Application software installed by the user
  • B) Software permanently programmed into hardware
  • C) A type of virus
  • D) A web browser

80. Which is the latest widely-used desktop operating system by Microsoft (as commonly known)?

  • A) Windows 95
  • B) Windows XP
  • C) Windows 11
  • D) MS-DOS

81. What does 'WWW' stand for?

  • A) World Wide Web
  • B) World Wide Wire
  • C) Wide World Web
  • D) World Web Wire

82. What does 'URL' stand for?

  • A) Universal Reading Link
  • B) Uniform Resource Locator
  • C) Uniform Reading Locator
  • D) Universal Resource Link

83. What does 'HTTP' stand for?

  • A) HyperText Transmission Protocol
  • B) HyperText Transfer Protocol
  • C) High Transfer Text Protocol
  • D) HyperText Text Protocol

84. Which protocol is a secure version of HTTP?

  • A) FTP
  • B) HTTPS
  • C) SMTP
  • D) TCP

85. What does 'LAN' stand for?

  • A) Local Area Network
  • B) Large Area Network
  • C) Long Area Network
  • D) Linked Area Network

86. What does 'WAN' stand for?

  • A) Wide Access Network
  • B) Wide Area Network
  • C) Web Area Network
  • D) Wireless Area Network

87. Which device connects multiple computers in a network?

  • A) Monitor
  • B) Router/Switch
  • C) Printer
  • D) Scanner

88. What does 'Wi-Fi' primarily provide?

  • A) Wired internet only
  • B) Wireless internet connectivity
  • C) Only local file storage
  • D) Only printing services

89. What does 'email' stand for?

  • A) Electric mail
  • B) Electronic mail
  • C) Express mail
  • D) Enclosed mail

90. Which symbol is used in an email address to separate the username and domain?

  • A) #
  • B) @
  • C) &
  • D) %

91. What does 'ISP' stand for?

  • A) Internal Service Provider
  • B) Internet Service Provider
  • C) Internet System Process
  • D) Internal System Provider

92. Which of these is a search engine?

  • A) MS Word
  • B) Google
  • C) Windows
  • D) Excel

93. What does 'IP address' stand for?

  • A) Internal Process address
  • B) Internet Protocol address
  • C) Internet Personal address
  • D) Internal Protocol address

94. Which key combination is used to copy selected text?

  • A) Ctrl + V
  • B) Ctrl + C
  • C) Ctrl + X
  • D) Ctrl + Z

95. Which key combination is used to paste text?

  • A) Ctrl + C
  • B) Ctrl + V
  • C) Ctrl + X
  • D) Ctrl + A

96. Which key combination undoes the last action?

  • A) Ctrl + Y
  • B) Ctrl + Z
  • C) Ctrl + A
  • D) Ctrl + S

97. Which key is used to save a document?

  • A) Ctrl + P
  • B) Ctrl + S
  • C) Ctrl + O
  • D) Ctrl + N

98. Which key combination selects all content in a document?

  • A) Ctrl + C
  • B) Ctrl + A
  • C) Ctrl + S
  • D) Ctrl + Z

99. A firewall is used to:

  • A) Cool down the CPU
  • B) Protect a network from unauthorized access
  • C) Increase internet speed
  • D) Store files

100. What does 'USB' stand for?

  • A) Universal System Bus
  • B) Universal Serial Bus
  • C) United Serial Bus
  • D) Universal Storage Bus

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