100+ Basic Computer Knowledge Questions & Answers (2024)

As an individual seeking to boost your basic computer knowledge, it is essential to understand the benefits and requirements associated with acquiring this skill.

Having basic computer knowledge enables you to navigate the digital world with confidence and opens up numerous opportunities for personal and professional growth.

By gaining a solid foundation in computer basics, you can enhance your productivity, communication abilities, and problem-solving skills in the modern technological landscape.

100+ Basic Computer Knowledge Questions & Answers:

1. What is the basic unit of information in computing?
a) Byte
b) Bit
c) Kilobyte
d) Megabyte
Answer: b) Bit

2. What does CPU stand for?
a) Central Processing Unit
b) Computer Personal Unit
c) Central Personal Unit
d) Computer Processing Unit
Answer: a) Central Processing Unit

3. Which of the following is an example of secondary storage?
a) RAM
b) Cache
c) Hard Disk Drive
d) CPU
Answer: c) Hard Disk Drive

4. Which programming language is used to build websites?
a) Java
b) C++
c) HTML
d) Python
Answer: c) HTML

5. What does URL stand for?
a) Universal Resource Locator
b) Uniform Resource Locator
c) Universal Reference Locator
d) Uniform Reference Locator
Answer: b) Uniform Resource Locator

6. Which of the following is a programming language?
a) Photoshop
b) Excel
c) Python
d) PowerPoint
Answer: c) Python

7. What is the main purpose of an operating system?
a) To run computer hardware
b) To protect against viruses
c) To manage computer resources
d) To create and edit documents
Answer: c) To manage computer resources

8. Which component of a computer is responsible for displaying graphics on the screen?
a) Motherboard
b) Central Processing Unit
c) Graphics Processing Unit
d) Random Access Memory
Answer: c) Graphics Processing Unit

9. Which of the following is an example of an input device?
a) Monitor
b) Printer
c) Keyboard
d) Speaker
Answer: c) Keyboard

10. What does HTML stand for?
a) Hypertext Markup Language
b) Hyperlink Markup Language
c) Hypertext Machine Language
d) Hyperlink Machine Language
Answer: a) Hypertext Markup Language

11. Which of the following is a popular database management system?
a) Microsoft Word
b) Microsoft Excel
c) Microsoft PowerPoint
d) Microsoft Access
Answer: d) Microsoft Access

12. What is the purpose of a firewall in computer networks?
a) To prevent unauthorized access
b) To increase network speed
c) To store data backups
d) To manage email accounts
Answer: a) To prevent unauthorized access

13. Which of the following is an example of an output device?
a) Mouse
b) Keyboard
c) Printer
d) Scanner
Answer: c) Printer

14. Which programming language is often used for data analysis and scientific computing?
a) Java
b) C++
c) Python
d) JavaScript
Answer: c) Python

15. What does RAM stand for?
a) Random Access Memory
b) Read-Only Memory
c) Read and Modify
d) Random Algorithm Memory
Answer: a) Random Access Memory

16. Which of the following is a web browser?
a) Microsoft Word
b) Microsoft Excel
c) Google Chrome
d) Microsoft PowerPoint
Answer: c) Google Chrome

17. What is the purpose of a virtual machine?
a) Running multiple operating systems on a single physical machine
b) Creating online surveys
c) Managing computer networks
d) Backing up data
Answer: a) Running multiple operating systems on a single physical machine

18. Which of the following is a type of computer virus?
a) Trojan horse
b) Mouse trap
c) Spider web
d) Flashlight
Answer: a) Trojan horse

19. Which of the following is an example of a music streaming service?
a) Google Drive
b) Microsoft Word
c) Adobe Photoshop
d) Spotify
Answer: d) Spotify

20. What is the purpose of a cookie in web browsing?
a) Storing user preferences and tracking website activity
b) Creating online surveys
c) Running computer programs
d) Encrypting network traffic
Answer: a) Storing user preferences and tracking website activity

21. Which of the following is a commonly used computer input device?
a) Mouse
b) Projector
c) Speaker
d) USB drive
Answer: a) Mouse

22. What is the purpose of a cache in computer architecture?
a) Temporarily storing frequently accessed data for faster retrieval
b) Displaying web pages
c) Controlling network traffic
d) Managing user accounts
Answer: a) Temporarily storing frequently accessed data for faster retrieval

23. What does the term “HTML5” refer to?
a) The latest version of the HTML markup language
b) A type of computer virus
c) A computer programming language
d) A data encryption algorithm
Answer: a) The latest version of the HTML markup language

24. Which of the following is not an example of a computer peripheral?
a) Monitor
b) Printer
c) CPU
d) Webcam
Answer: c) CPU

25. What is the purpose of a VPN (Virtual Private Network)?
a) Establishing a secure connection over a public network
b) Creating graphical designs
c) Managing computer networks
d) Scanning for malware
Answer: a) Establishing a secure connection over a public network

26. What is the function of a database management system (DBMS)?
a) Storing, organizing, and managing data in databases
b) Printing documents
c) Running computer programs
d) Creating website layouts
Answer: a) Storing, organizing, and managing data in databases

27. Which of the following is an example of a high-level programming language?
a) Python
b) Assembly language
c) Binary code
d) Machine language
Answer: a) Python

28. What is the purpose of an input/output port on a computer?
a) Connecting external devices for data transfer
b) Managing computer memory
c) Controlling the CPU’s operation
d) Generating random numbers
Answer: a) Connecting external devices for data transfer

29. Which of the following is an example of a computer network topology?
a) Star
b) Square
c) Triangle
d) Circle
Answer: a) Star

30. What is the purpose of a UPS (Uninterruptible Power Supply) in computer systems?
a) Providing backup power during electrical outages
b) Protecting against viruses
c) Cleaning computer screens
d) Enhancing internet speed
Answer: a) Providing backup power during electrical outages

31. What does the term “BIOS” stand for in computer systems?
a) Basic Input/Output System
b) Binary Input/Output Software
c) Backup and Restore Operation
d) Browser Interface for Online Security
Answer: a) Basic Input/Output System

32. What is the purpose of a cursor in a graphical user interface?
a) Indicating the user’s current position on the screen
b) Opening new software applications
c) Formatting text in a document
d) Playing multimedia files
Answer: a) Indicating the user’s current position on the screen

33. Which of the following is a cloud storage service?
a) Dropbox
b) Microsoft Word
c) Adobe Photoshop
d) VLC Media Player
Answer: a) Dropbox

34. What is the purpose of a storage device?
a) To display graphics on the screen
b) To store data permanently
c) To send information to the computer
d) To process data
Answer: b) To store data permanently

35. What is the purpose of a compiler in programming?
a) Converting human-readable code into machine-readable code
b) Managing computer networks
c) Backing up data
d) Displaying error messages
Answer: a) Converting human-readable code into machine-readable code

36. What is the function of a file extension in a computer file?
a) Indicating the type of data stored in the file
b) Determining the file’s physical location
c) Controlling access permissions
d) Encrypting the file contents
Answer: a) Indicating the type of data stored in the file

37. What is the purpose of a network switch in computer networking?
a) Connecting multiple devices within a network
b) Running software applications
c) Scanning for viruses
d) Creating backups
Answer: a) Connecting multiple devices within a network

38. What is the purpose of a DNS server in Internet communication?
a) Translating domain names to IP addresses
b) Sending emails
c) Managing web hosting services
d) Blocking websites
Answer: a) Translating domain names to IP addresses

39. What does the term “WAN” stand for in computer networking?
a) Wireless Area Network
b) Wide Access Network
c) Wide Area Network
d) Web Application Node
Answer: c) Wide Area Network

40. Which of the following is the most popular operating system for PC?
a) Windows
b) macOS
c) Ubuntu
d) iOS
Answer: a) Windows

41. What is the purpose of a graphics card in a computer?
a) Storing files
b) Connecting to the internet
c) Displaying images and videos
d) Running computer programs
Answer: c) Displaying images and videos

42. Which of the following is a type of computer port?
a) USB
b) CPU
c) RAM
d) HTML
Answer: a) USB

43. What does the term “phishing” refer to?
a) Sending spam emails
b) Attacking computer networks
c) Creating computer viruses
d) Tricking users to reveal sensitive information
Answer: d) Tricking users to reveal sensitive information

44. Which of the following is a popular photo editing software?
a) Git
b) Photoshop
c) Excel
d) PowerPoint
Answer: b) Photoshop

45. Which of the following is not a web browser?
a) Chrome
b) Safari
c) Firefox
d) Python
Answer: d) Python

46. Which of the following is an extension of a portable document format?
a) DOCX
b) XLSX
c) PDF
d) JPEG
Answer: c) PDF

47. Which of the following is not a type of computer memory?
a) ROM
b) RAM
c) CPU
d) Cache
Answer: c) CPU

48. What is the primary function of the CPU in a computer?
a) Storing data
b) Processing data
c) Displaying data
d) Connecting to the internet
Answer: b) Processing data

49. Which type of software allows you to browse the internet?
a) Web browser
b) Antivirus software
c) Spreadsheet software
d) Graphic design software
Answer: a) Web browser

50. Which protocol is used to send and receive email?
a) FTP
b) SMTP
c) HTTP
d) IP
Answer: b) SMTP

51. Which of the following is an example of a document editor?
a) Google Drive
b) Microsoft Word
c) Adobe Photoshop
d) Spotify
Answer: b) Microsoft Word

52. Which of the following is an example of an optical storage device?
a) USB flash drive
b) DVD
c) Solid-state drive (SSD)
d) Blu-ray disc
Answer: d) Blu-ray disc

53. What is the purpose of an IP address?
a) To identify a website’s domain name
b) To encrypt data during transmission
c) To assign a unique identifier to a device on a network
d) To store and manage databases
Answer: c) To assign a unique identifier to a device on a network

54. Which programming language is used for creating database queries?
a) SQL
b) Java
c) PHP
d) HTML
Answer: a) SQL

55. Which of the following is a type of computer malware?
a) Spyware
b) Sound wave
c) Picture frame
d) Battery charger
Answer: a) Spyware

56. Which of the following is an example of a command-line interface?
a) Windows Command Prompt
b) Microsoft Excel
c) Adobe Photoshop
d) Google Chrome
Answer: a) Windows Command Prompt

57. What is the purpose of a network protocol?
a) Defining rules for communication between devices on a network
b) Displaying web pages
c) Creating backups of data
d) Running computer programs
Answer: a) Defining rules for communication between devices on a network

58. What is the purpose of a proxy server in Internet communication?
a) Acting as an intermediary between clients and servers
b) Creating backups of website data
c) Playing multimedia files
d) Managing database transactions
Answer: a) Acting as an intermediary between clients and servers

59. Which of the following is an example of an email client?
a) Microsoft Outlook
b) Facebook Messenger
c) WhatsApp
d) Instagram
Answer: a) Microsoft Outlook

60. What is the purpose of a software update?
a) Fixing bugs and adding new features to software programs
b) Formatting hard drives
c) Displaying error messages
d) Cleaning computer screens
Answer: a) Fixing bugs and adding new features to software programs

61. Which of the following is a programming paradigm?
a) Python
b) Java
c) Object-Oriented Programming (OOP)
d) HTML
Answer: c) Object-Oriented Programming (OOP)

62. What is the purpose of a file compression utility?
a) To protect against computer viruses and malware
b) To enhance the speed of internet connection
c) To compress files and reduce their size
d) To create and edit text documents
Answer: c) To compress files and reduce their size

63. Which of the following is an example of a mobile operating system?
a) Windows
b) Android
c) macOS
d) Linux
Answer: b) Android

64. Which of the following is an example of a software suite?
a) Adobe Photoshop
b) Microsoft Office
c) Windows
d) Google Chrome
Answer: b) Microsoft Office

65. Which of the following is an example of a programming editor?
a) Notepad++
b) Photoshop
c) Microsoft Word
d) iTunes
Answer: a) Notepad++

66. Which of the following is a markup language for structuring and presenting content on the web?
a) XML
b) Python
c) Ruby
d) C++
Answer: a) XML

67. What is the function of a sound card in a computer system?
a) To connect devices within a network
b) To display visual output on a monitor
c) To provide power to a computer system
d) To process and output sound
Answer: d) To process and output sound

68. Which of the following is an example of a system utility software?
a) Microsoft Word
b) Photoshop
c) Disk Cleanup
d) Internet Explorer
Answer: c) Disk Cleanup

69. Which of the following is an example of a relational database management system?
a) Microsoft Word
b) Microsoft Excel
c) MySQL
d) Microsoft Access
Answer: c) MySQL

70. What is the purpose of an output device?
a) To process data
b) To send information to the computer
c) To store data permanently
d) To display information from the computer
Answer: d) To display information from the computer

71. What does DNS stand for?
a) Dynamic Network Server
b) Domain Name System
c) Digital Naming Server
d) Distributed Network Service
Answer: b) Domain Name System

72. Which of the following is a popular open-source operating system?
a) Windows
b) macOS
c) Ubuntu
d) iOS
Answer: c) Ubuntu

73. What is the purpose of a spreadsheet software?
a) To create and edit images
b) To manage email accounts
c) To store and analyze data in tabular form
d) To connect multiple computers in a network
Answer: c) To store and analyze data in tabular form

74. Which of the following is an example of a high-level programming language?
a) Assembly
b) C++
c) Machine code
d) Binary
Answer: b) C++

75. What does HTTP stand for?
a) Hypertext Transport Protocol
b) Hypertext Transfer Protocol
c) Hypertext Translation Protocol
d) Hypertext Terminal Protocol
Answer: b) Hypertext Transfer Protocol

76. Which of the following is a popular version control system?
a) Git
b) Photoshop
c) Excel
d) PowerPoint
Answer: a) Git

77. What is the purpose of an operating system kernel?
a) To protect against viruses
b) To manage computer resources
c) To create and edit documents
d) To browse the web
Answer: b) To manage computer resources

78. Which of the following is an example of a file format for images?
a) DOCX
b) XLSX
c) PDF
d) JPEG
Answer: d) JPEG

79. What is the purpose of a web server?
a) To connect multiple computers in a network
b) To create and edit images
c) To store and serve websites and web applications
d) To manage email accounts
Answer: c) To store and serve websites and web applications

80. Which programming language is often used for web development?
a) Java
b) C++
c) Python
d) JavaScript
Answer: d) JavaScript

81. What is the purpose of a network interface card (NIC)?
a) To process data
b) To connect devices within a network
c) To store and manage databases
d) To display images and videos on a monitor
Answer: b) To connect devices within a network

82. What does LAN stand for?
a) Local Area Network
b) Large Area Network
c) Local Access Network
d) Long Area Network
Answer: a) Local Area Network

83. Which of the following is an example of a cloud storage service?
a) Google Drive
b) Microsoft Word
c) Adobe Photoshop
d) Spotify
Answer: a) Google Drive

84. What is the function of an email client?
a) To browse the web
b) To store files and folders
c) To send and receive emails
d) To edit images
Answer: c) To send and receive emails

85. Which programming language is often used for building mobile applications?
a) Java
b) C++
c) Python
d) Swift
Answer: d) Swift

86. What does GUI stand for?
a) Graphical User Interface
b) General User Interface
c) Global User Interface
d) General User Interaction
Answer: a) Graphical User Interface

87. Which of the following is a popular spreadsheet software?
a) Microsoft Word
b) Microsoft Excel
c) Microsoft PowerPoint
d) Microsoft Access
Answer: b) Microsoft Excel

88. What is the purpose of an antivirus program?
a) To create backups of files
b) To manage email accounts
c) To protect against viruses and malware
d) To organize and store data
Answer: c) To protect against viruses and malware

89. Which of the following is an example of a server operating system?
a) Windows 10
b) macOS
c) Ubuntu
d) Windows Server
Answer: d) Windows Server

90. What is the function of a modem?
a) To store data temporarily
b) To convert digital signals to analog signals
c) To manage computer resources
d) To create and edit documents
Answer: b) To convert digital signals to analog signals

91. Which of the following is an example of a web development framework?
a) Django
b) Photoshop
c) Excel
d) PowerPoint
Answer: a) Django

92. What is the purpose of a network router?
a) To connect multiple computers in a network
b) To print documents
c) To create and edit images
d) To store files and folders
Answer: a) To connect multiple computers in a network

93. Which of the following is an example of an object-oriented programming language?
a) C
b) Python
c) Assembly
d) COBOL
Answer: b) Python

94. What does SSD stand for?
a) Solid State Drive
b) Super Storage Drive
c) Speedy Storage Device
d) Secure System Drive
Answer: a) Solid State Drive

95. Which of the following is an example of a presentation software?
a) Microsoft Word
b) Microsoft Excel
c) Microsoft PowerPoint
d) Microsoft Access
Answer: c) Microsoft PowerPoint

96. What is the purpose of a domain name?
a) To store files and folders
b) To manage email accounts
c) To identify and locate websites on the internet
d) To protect against viruses
Answer: c) To identify and locate websites on the internet

97. Which of the following is an example of a computer network protocol?
a) TCP/IP
b) JPEG
c) MP3
d) HTTPS
Answer: a) TCP/IP

98. What is the purpose of an input device?
a) To display graphics on the screen
b) To store data permanently
c) To send information to the computer
d) To process data
Answer: c) To send information to the computer

99. Which programming language is often used for game development?
a) Java
b) C++
c) Python
d) JavaScript
Answer: b) C++

100. Which of the following is an example of a cloud computing service?
a) Amazon Web Services (AWS)
b) Microsoft PowerPoint
c) Adobe Illustrator
d) AutoCAD
Answer: a) Amazon Web Services (AWS)

Frequently Asked Questions(FAQs):

How do I start computer basic knowledge?

To start building your computer basic knowledge, you can follow these steps:

• Familiarize yourself with the basic components of a computer, such as the monitor, keyboard, mouse, and central processing unit (CPU).
• Learn about different operating systems like Windows, macOS, or Linux, and understand their features and functionalities.
• Practice using common software applications like word processors, spreadsheets, and web browsers.
• Explore online tutorials, computer literacy courses, or instructional videos to learn the basics of file management, internet browsing, and email communication.
• Experiment with tasks like creating and organizing files, sending emails, and conducting internet searches to gain hands-on experience.
• Seek guidance from knowledgeable individuals or join computer classes or workshops to enhance your learning.

What are computer skills?

Computer skills refer to a set of competencies and knowledge required to effectively use computers and related technologies. These skills encompass a wide range of abilities, including operating systems navigation, file management, internet browsing, email communication, word processing, spreadsheet usage, troubleshooting common issues, and ensuring basic internet security.

Possessing computer skills is essential in today’s digital era, as they enable individuals to perform tasks, access information, communicate, and solve problems in a technology-driven environment.

What are general IT skills?

General IT skills, also known as Information Technology skills, encompass a broad set of competencies related to the use and management of information technology resources. These skills include:

• Computer hardware and software basics.
• Network and internet connectivity understanding.
• IT security awareness and best practices.
• Data management and storage.
• IT troubleshooting and problem-solving.
• Knowledge of software applications commonly used in business settings.
• IT project management and planning.
• Collaboration and communication tools utilization.

General IT skills are valuable for individuals working with computers and technology in various roles, ranging from end-users to IT professionals, as they enable efficient and secure use of technology resources to support organizational objectives.

Also Read: 100+ Computer Multiple Choice Questions (MCQs) for Competitive Exams

Final Words:

Developing basic computer knowledge offers numerous benefits and requires a willingness to learn and explore the fundamentals of computing.

With this knowledge, you can streamline your tasks, improve your communication, access a wealth of information, and enhance your employability.

To acquire basic computer knowledge, consider exploring online tutorials, computer literacy courses, or seeking guidance from knowledgeable individuals.

Embracing technology and familiarizing yourself with the essentials will empower you to navigate the digital age easily and confidently.

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