Computer MCQs

Computer MCQs

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Computer MCQs

  1. What does VPN stand for?

    • a) Virtual Private Network
    • b) Virtual Public Network
    • c) Virtual Protected Network
    • d) Virtual Personal Network
    • Answer: a) Virtual Private Network

  2. Which of the following is a type of malicious software?

    • a) Virus
    • b) Antivirus
    • c) Compiler
    • d) Debugger
    • Answer: a) Virus

  3. What is an IP address?

    • a) A unique identifier for a computer on a network
    • b) A software program
    • c) A hardware component
    • d) None of the above
    • Answer: a) A unique identifier for a computer on a network

  4. Which is a popular open-source operating system?

    • a) Windows
    • b) MacOS
    • c) Linux
    • d) DOS
    • Answer: c) Linux

  5. What is the primary function of an operating system?

    • a) Manage software applications
    • b) Manage hardware resources
    • c) Provide a user interface
    • d) All of the above
    • Answer: d) All of the above

  6. What does “GHz” stand for in processor speed?

    • a) GigaHertz
    • b) GigaHex
    • c) GigaHit
    • d) GigaHold
    • Answer: a) GigaHertz

  7. Which of the following is used to prevent unauthorized access to or from a private network?

    • a) Firewall
    • b) Router
    • c) Switch
    • d) Modem
    • Answer: a) Firewall

  8. Which device allows your computer to connect to the internet wirelessly?

    • a) Modem
    • b) Router
    • c) Switch
    • d) Hub
    • Answer: b) Router

  9. What does the “R” in RAM stand for?

    • a) Read
    • b) Random
    • c) Readable
    • d) Rewritable
    • Answer: b) Random

  10. What is an email attachment?

    • a) A file sent along with an email
    • b) A part of the email body
    • c) A hyperlink in the email
    • d) A graphic in the email
    • Answer: a) A file sent along with an email

  11. Which of the following is a search engine?

    • a) Bing
    • b) Chrome
    • c) Firefox
    • d) Safari
    • Answer: a) Bing

  12. What does the term “booting” refer to in computing?

    • a) Starting up a computer
    • b) Shutting down a computer
    • c) Restarting a computer
    • d) Installing a new operating system
    • Answer: a) Starting up a computer

  13. What is the main function of a web browser?

    • a) To locate and display web pages
    • b) To create web pages
    • c) To store data
    • d) To protect data
    • Answer: a) To locate and display web pages

  14. Which of the following is an example of an optical storage device?

    • a) Hard disk
    • b) Floppy disk
    • c) CD-ROM
    • d) Flash drive
    • Answer: c) CD-ROM

  15. What is the binary number system?

    • a) A number system using base 2
    • b) A number system using base 10
    • c) A number system using base 8
    • d) A number system using base 16
    • Answer: a) A number system using base 2

  16. What is phishing?

    • a) A method of exploring and exploiting the vulnerabilities of a computer
    • b) A method of fraudulent attempts to obtain sensitive information
    • c) A method of transferring files over the internet
    • d) A method of optimizing websites
    • Answer: b) A method of fraudulent attempts to obtain sensitive information

  17. Which of the following is not a type of computer?

    • a) Supercomputer
    • b) Mainframe
    • c) Personal computer
    • d) Transistor
    • Answer: d) Transistor

  18. Which of the following is a storage device that uses integrated circuits?

    • a) Hard Disk
    • b) SSD (Solid State Drive)
    • c) CD-ROM
    • d) Tape Drive
    • Answer: b) SSD (Solid State Drive)

  19. What is the purpose of an operating system?

    • a) To manage computer resources and provide common services for application software
    • b) To write programs
    • c) To perform calculations
    • d) To connect to the internet
    • Answer: a) To manage computer resources and provide common services for application software

  20. What does the term “malware” refer to?

    • a) Software designed to protect a computer
    • b) Software designed to harm a computer
    • c) Software for word processing
    • d) Software for managing databases
    • Answer: b) Software designed to harm a computer

  21. What is the main advantage of using a USB flash drive?

    • a) Large storage capacity
    • b) Portability
    • c) High speed
    • d) Compatibility
    • Answer: b) Portability

  22. Which of the following is not a web browser?

    • a) Internet Explorer
    • b) Google Chrome
    • c) Microsoft Word
    • d) Mozilla Firefox
    • Answer: c) Microsoft Word

  23. What is the name of the personal computers manufactured by Apple Inc.?

    • a) Mac
    • b) Dell
    • c) HP
    • d) Lenovo
    • Answer: a) Mac

  24. What does HTML stand for?

    • a) HyperText Markup Language
    • b) Hyperlink Markup Language
    • c) Hyperlink and Text Markup Language
    • d) None of these
    • Answer: a) HyperText Markup Language

  25. Which programming language is most widely used for web development?

    • a) Python
    • b) JavaScript
    • c) C++
    • d) Java
    • Answer: b) JavaScript

  26. What does the “P” in JPEG stand for?

    • a) Portable
    • b) Professional
    • c) Photographic
    • d) Pixel
    • Answer: c) Photographic

  27. What is a hyperlink?

    • a) A link from a hypertext document to another location
    • b) A link from one web page to another web page
    • c) A text or image that can be clicked to navigate to another document or location
    • d) All of the above
    • Answer: d) All of the above

  28. Which of the following is used to transfer files between computers?

    • a) HTTP
    • b) FTP
    • c) SMTP
    • d) POP3
    • Answer: b) FTP

  29. What is a domain name?

    • a) The unique name that identifies a website
    • b) A type of malware
    • c) A computer program
    • d) A type of browser
    • Answer: a) The unique name that identifies a website

  30. What is the full form of Wi-Fi?

    • a) Wireless Fidelity
    • b) Wireless Internet
    • c) Wired Fidelity
    • d) Wide Fidelity
    • Answer: a) Wireless Fidelity

  31. What is an email client?

    • a) A software application used to access and manage a user’s email
    • b) A service provider for email
    • c) A web page for reading emails
    • d) A type of malware
    • Answer: a) A software application used to access and manage a user’s email

  32. What does HTTP stand for?

    • a) HyperText Transfer Protocol
    • b) HighText Transfer Protocol
    • c) HyperText Transfer Plot
    • d) HyperText Translate Protocol
    • Answer: a) HyperText Transfer Protocol

  33. What does URL stand for?

    • a) Uniform Resource Locator
    • b) Universal Resource Locator
    • c) Uniform Resource Link
    • d) Universal Resource Link
    • Answer: a) Uniform Resource Locator

  34. What is the full form of GUI?

    • a) Graphical User Interface
    • b) Graphical User Internet
    • c) General User Interface
    • d) Graphical Universal Interface
    • Answer: a) Graphical User Interface

  35. What is the full form of OCR?

    • a) Optical Character Recognition
    • b) Optical Character Reader
    • c) Optical Code Recognition
    • d) Optical Code Reader
    • Answer: a) Optical Character Recognition

  36. What does the term “bug” refer to in programming?

    • a) A hardware issue
    • b) A syntax error
    • c) A logical error or flaw in a program
    • d) A software patch
    • Answer: c) A logical error or flaw in a program

  37. What is the primary use of Microsoft Excel?

    • a) Word processing
    • b) Spreadsheet calculations
    • c) Database management
    • d) Presentation creation
    • Answer: b) Spreadsheet calculations

  38. What is the full form of DNS?

    • a) Domain Name System
    • b) Data Network System
    • c) Digital Network System
    • d) Domain Network Service
    • Answer: a) Domain Name System

  39. Which company developed the Java programming language?

    • a) Microsoft
    • b) Sun Microsystems
    • c) Apple
    • d) Google
    • Answer: b) Sun Microsystems

  40. What does the acronym “IoT” stand for?

    • a) Internet of Things
    • b) Internet of Technology
    • c) Input/Output Technology
    • d) Internal Operational Technology
    • Answer: a) Internet of Things

  41. What is the full form of HTTPS?

    • a) HyperText Transfer Protocol Secure
    • b) HyperText Transfer Protocol Standard
    • c) HighText Transfer Protocol Secure
    • d) HyperText Transfer Protected Server
    • Answer: a) HyperText Transfer Protocol Secure

  42. Which software is used for creating presentations?

    • a) Microsoft Word
    • b) Microsoft Excel
    • c) Microsoft PowerPoint
    • d) Microsoft Access
    • Answer: c) Microsoft PowerPoint

  43. What does the term “cookie” refer to in computing?

    • a) A small piece of data stored on the user’s computer by the web browser
    • b) A type of malware
    • c) A software program
    • d) A security feature
    • Answer: a) A small piece of data stored on the user’s computer by the web browser

  44. What is the main purpose of a database?

    • a) To store and organize data
    • b) To create graphics
    • c) To manage internet connections
    • d) To perform calculations
    • Answer: a) To store and organize data

  45. Which device is used to convert digital signals into analog signals?

    • a) Router
    • b) Modem
    • c) Switch
    • d) Hub
    • Answer: b) Modem

  46. Which type of memory is used for temporary storage while a computer is running?

    • a) RAM
    • b) ROM
    • c) Hard Disk
    • d) SSD
    • Answer: a) RAM

  47. What does the term “syntax” refer to in programming?

    • a) The rules that define the structure of a programming language
    • b) The process of executing a program
    • c) The errors in a program
    • d) The comments in a program
    • Answer: a) The rules that define the structure of a programming language

  48. What does HTML stand for?

    • a) HyperText Markup Language
    • b) HyperText Makeup Language
    • c) HighText Markup Language
    • d) HighText Makeup Language
    • Answer: a) HyperText Markup Language

  49. What is the main function of an email server?

    • a) To send and receive emails
    • b) To store web pages
    • c) To manage databases
    • d) To host websites
    • Answer: a) To send and receive emails

  50. What does the acronym “XML” stand for? 

  • a) eXtensible Markup Language
  • b) eXtra Markup Language
  • c) eXecutable Markup Language
  • d) eXtensible Model Language
  • Answer: a) eXtensible Markup Language

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