Computer Fundamentals MCQ Test

1. Which of the following is an example of secondary memory?

• A. RAM
• B. ROM
• C. Hard Disk
• D. Cache Memory

Answer: Hard Disk

2. Which of the following is an example of primary memory?

• A. Hard Disk
• B. RAM
• C. CD-ROM
• D. USB Drive

Answer: RAM

3. What happens to the data stored in RAM when the computer is turned off?

• A. It is saved permanently
• B. It gets erased
• C. It is transferred to ROM
• D. It becomes read-only

Answer: It gets erased

4. Who is known as the father of computers?

• A. Charles Babbage
• B. Alan Turing
• C. Bill Gates
• D. Steve Jobs

Answer: Charles Babbage

5. Which of the following is NOT a type of computer?

• A. Desktop
• B. Laptop
• C. Refrigerator
• D. Smartphone

Answer: Refrigerator

6. Which type of secondary storage has no moving parts and offers faster data access?

• A. Hard Disk Drive (HDD)
• B. Solid State Drive (SSD)
• C. Floppy Disk
• D. Optical Disc

Answer: Solid State Drive (SSD)

7. How many bits are there in 1 byte?

• A. 4
• B. 8
• C. 16
• D. 32

Answer: 8

8. Which device allows users to interact with a computer by pointing and clicking?

• A. Printer
• B. Mouse
• C. Speaker
• D. Scanner

Answer: Mouse

9. What is the primary advantage of using a Solid State Drive (SSD) over a Hard Disk Drive (HDD)?

• A. Lower cost
• B. Faster read/write speed
• C. More storage capacity
• D. More moving parts

Answer: Faster read/write speed

10. What is the main function of RAM in a computer?

• A. To store permanent data
• B. To process graphics
• C. To temporarily store data for quick access
• D. To connect to the internet

Answer: To temporarily store data for quick access

11. Which of the following is a characteristic of ROM?

• A. It is volatile
• B. It is used for temporary storage
• C. It stores firmware and system instructions
• D. It is faster than RAM

Answer: It stores firmware and system instructions

12. Which secondary storage device is commonly used for portable data transfer?

• A. RAM
• B. USB Drive
• C. Cache Memory
• D. Processor

Answer: USB Drive

13. Which of the following is a primary function of a computer?

• A. Cooking food
• B. Playing music only
• C. Generating electricity
• D. Processing and storing data

Answer: Processing and storing data

14. Which type of memory is non-volatile?

• A. RAM
• B. Cache Memory
• C. ROM
• D. Registers

Answer: ROM

15. Which part of the computer is known as the 'brain'?

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

Answer: CPU

16. If a file size is 5GB, how many MB is that?

• A. 5120 MB
• B. 2048 MB
• C. 10240 MB
• D. 500 MB

Answer: 5120 MB

17. Which of the following statements about secondary memory is TRUE?

• A. It is volatile and loses data when power is off
• B. It is faster than primary memory
• C. It is used for long-term data storage
• D. It is smaller in capacity than RAM

Answer: It is used for long-term data storage

18. Which of the following is the correct conversion?

• A. 1 KB = 100 bytes
• B. 1 GB = 500 MB
• C. 1 TB = 1024 MB
• D. 1 MB = 1024 KB

Answer: 1 MB = 1024 KB

19. Which input device is commonly used for gaming?

• A. Joystick
• B. Monitor
• C. Speaker
• D. Printer

Answer: Joystick

20. What is the function of a computer monitor?

• A. Store data
• B. Process information
• C. Display visual output
• D. Capture images

Answer: Display visual output

21. Which of the following correctly represents the data size from smallest to largest?

• A. KB < MB < GB < TB
• B. MB < KB < GB < TB
• C. GB < KB < MB < TB
• D. TB < GB < MB < KB

Answer: KB < MB < GB < TB

22. Which of the following is NOT a basic component of a computer system?

• A. Monitor
• B. Mouse
• C. Television
• D. Keyboard

Answer: Television

23. How many bits are there in 1 Kilobyte (KB)?

• A. 1024
• B. 8192
• C. 2048
• D. 4096

Answer: 8192

24. Which device is used to store data permanently?

• A. RAM
• B. Hard Drive
• C. Processor
• D. Monitor

Answer: Hard Drive

25. Which of the following is an output device?

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

Answer: Monitor

26. How many Megabytes (MB) are there in 1 Gigabyte (GB)?

• A. 100 MB
• B. 500 MB
• C. 1024 MB
• D. 2048 MB

Answer: 1024 MB

27. What is the primary function of a printer?

• A. Input text
• B. Output printed documents
• C. Store data
• D. Process images

Answer: Output printed documents

28. Which of the following is the largest unit of storage?

• A. Megabyte (MB)
• B. Kilobyte (KB)
• C. Gigabyte (GB)
• D. Terabyte (TB)

Answer: Terabyte (TB)

29. Which device provides audio output from a computer?

• A. Scanner
• B. Speakers
• C. Mouse
• D. Keyboard

Answer: Speakers

30. Which of the following is an example of an operating system?

• A. Windows
• B. Google
• C. Facebook
• D. Chrome

Answer: Windows

31. Which type of computer is small, portable, and can be used anywhere?

• A. Desktop
• B. Mainframe
• C. Laptop
• D. Supercomputer

Answer: Laptop

32. Which input device is primarily used to scan documents into digital format?

• A. Microphone
• B. Scanner
• C. Mouse
• D. Printer

Answer: Scanner

33. Which device is used to capture sound and convert it into digital signals?

• A. Speaker
• B. Microphone
• C. Monitor
• D. Projector

Answer: Microphone

34. Which of the following is an example of an output device?

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

Answer: Monitor

35. Which part of the computer allows you to move the cursor on the screen?

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

Answer: Mouse

36. How many bytes are there in 1 KB (Kilobyte)?

• A. 1000
• B. 1024
• C. 2048
• D. 512

Answer: 1024

37. 1 Megabyte (MB) is equal to how many Kilobytes (KB)?

• A. 100 KB
• B. 512 KB
• C. 1024 KB
• D. 2048 KB

Answer: 1024 KB

38. Which of the following devices is used to print documents?

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

Answer: Printer

39. Which of the following is an input device?

• A. Monitor
• B. Printer
• C. Mouse
• D. Speaker

Answer: Mouse

40. What type of device is a keyboard?

• A. Input Device
• B. Output Device
• C. Storage Device
• D. Processing Device

Answer: Input Device

41. What is the full form of RAM?

• A. Read Access Memory
• B. Random Access Memory
• C. Read-Only Memory
• D. Remote Access Memory

Answer: Random Access Memory

42. Which of the following is NOT an example of a storage device?

• A. USB Drive
• B. CD/DVD
• C. RAM
• D. Monitor

Answer: Monitor

43. Which company developed the Windows operating system?

• A. Apple
• B. Microsoft
• C. Google
• D. Intel

Answer: Microsoft

44. What does KB stand for in computer storage?

• A. KiloByte
• B. KiloBit
• C. KiloBinary
• D. KiloBand

Answer: KiloByte

45. What is the function of an antivirus program?

• A. Increase processing speed
• B. Protect against viruses
• C. Improve internet speed
• D. Manage files

Answer: Protect against viruses

46. Which component of a computer is responsible for executing instructions?

• A. Hard drive
• B. RAM
• C. CPU
• D. Keyboard

Answer: CPU

47. Which of the following is an example of a web browser?

• A. Windows
• B. Chrome
• C. Microsoft Word
• D. Photoshop

Answer: Chrome

48. Which of the following is a cloud computing model?

• A. SaaS
• B. PaaS
• C. IaaS
• D. All of the above

Answer: All of the above

49. What is the primary purpose of a proxy server?

• A. To filter requests
• B. To store data
• C. To speed up processing
• D. To enhance graphics

Answer: To filter requests

50. Which of the following is a type of malware?

• A. Virus
• B. Trojan
• C. Worm
• D. All of the above

Answer: All of the above

51. What does the acronym 'HTML' stand for?

• A. Hypertext Markup Language
• B. Hightext Markup Language
• C. Hyperlink and Text Markup Language
• D. Hypertext Multi Language

Answer: Hypertext Markup Language

52. What is the main function of a VPN?

• A. To provide a secure connection over the internet
• B. To boost internet speed
• C. To store data
• D. To enhance graphics

Answer: To provide a secure connection over the internet

53. Which of the following is a non-relational database?

• A. MongoDB
• B. MySQL
• C. PostgreSQL
• D. Oracle

Answer: MongoDB

54. What does the acronym 'GUI' stand for?

• A. Graphical User Interface
• B. General User Interface
• C. Graphic Utility Interface
• D. General Utility Interface

Answer: Graphical User Interface

55. Which protocol is commonly used for secure data transmission?

• A. HTTP
• B. FTP
• C. HTTPS
• D. SMTP

Answer: HTTPS

56. What is the purpose of a web crawler?

• A. To index web pages
• B. To enhance graphics
• C. To store data
• D. To manage traffic

Answer: To index web pages

57. Which of the following is a key component of the Internet of Things (IoT)?

• A. Sensors
• B. Protocols
• C. Cloud storage
• D. All of the above

Answer: All of the above

58. What does the acronym 'SQL' stand for?

• A. Structured Query Language
• B. Sequential Query Language
• C. Simple Query Language
• D. Standard Query Language

Answer: Structured Query Language

59. What is a characteristic of a blockchain?

• A. Decentralized
• B. Immutable
• C. Transparent
• D. All of the above

Answer: All of the above

60. Which of the following is a common type of cybersecurity attack?

• A. Phishing
• B. Ransomware
• C. Denial of Service
• D. All of the above

Answer: All of the above

61. What is the main function of an API?

• A. To allow different software systems to communicate
• B. To enhance graphics
• C. To store data
• D. To boost internet speed

Answer: To allow different software systems to communicate

62. What does the acronym 'SaaS' stand for?

• A. Software as a Service
• B. System as a Service
• C. Software as a Solution
• D. System as a Solution

Answer: Software as a Service

63. Which of the following is an example of a relational database?

• A. PostgreSQL
• B. MongoDB
• C. Cassandra
• D. DynamoDB

Answer: PostgreSQL

64. What is the primary purpose of a firewall?

• A. To block unauthorized access
• B. To enhance graphics
• C. To store data
• D. To speed up processing

Answer: To block unauthorized access

65. What does the acronym 'ISP' stand for?

• A. Internet Service Provider
• B. Integrated Service Provider
• C. Internal Service Provider
• D. Internet System Provider

Answer: Internet Service Provider

66. Which of the following is used for version control?

• A. Git
• B. GitHub
• C. Bitbucket
• D. All of the above

Answer: All of the above

67. What is the purpose of an SSL certificate?

• A. To secure data transmitted over the internet
• B. To enhance graphics
• C. To speed up loading times
• D. To store data

Answer: To secure data transmitted over the internet

68. Which of the following is a type of machine learning?

• A. Supervised learning
• B. Unsupervised learning
• C. Reinforcement learning
• D. All of the above

Answer: All of the above

69. What does the acronym 'HTTP' stand for?

• A. Hypertext Transfer Protocol
• B. Hyperlink Transfer Protocol
• C. Hypertext Transmission Protocol
• D. Hyperlink Transmission Protocol

Answer: Hypertext Transfer Protocol

70. Which of the following is a key feature of responsive web design?

• A. Fluid grids
• B. Flexible images
• C. Media queries
• D. All of the above

Answer: All of the above

71. What does the acronym 'DLP' stand for in cybersecurity?

• A. Data Loss Prevention
• B. Data Leakage Prevention
• C. Digital Loss Prevention
• D. Data Leakage Protocol

Answer: Data Loss Prevention

72. What does the acronym 'VPN' stand for?

• A. Virtual Private Network
• B. Virtual Public Network
• C. Variable Private Network
• D. Variable Public Network

Answer: Virtual Private Network

73. What is the main purpose of an algorithm?

• A. To solve problems
• B. To store data
• C. To enhance performance
• D. To create applications

Answer: To solve problems

74. Which of the following is a characteristic of a web application?

• A. Runs in a web browser
• B. Requires internet access
• C. Can be accessed from any device
• D. All of the above

Answer: All of the above

75. What does the acronym 'NFC' stand for?

• A. Near Field Communication
• B. Network Field Communication
• C. Next Field Communication
• D. None of the above

Answer: Near Field Communication

76. What is the primary purpose of a content management system (CMS)?

• A. To create and manage digital content
• B. To enhance security
• C. To store data
• D. To improve performance

Answer: To create and manage digital content

77. Which of the following is a benefit of using cloud computing?

• A. Scalability
• B. Cost savings
• C. Accessibility
• D. All of the above

Answer: All of the above

78. What does the acronym 'CSS' stand for?

• A. Cascading Style Sheets
• B. Cascading Style System
• C. Computer Style Sheets
• D. Cascading Style Solutions

Answer: Cascading Style Sheets

79. What is the main function of a web host?

• A. To store websites
• B. To enhance performance
• C. To manage databases
• D. To create applications

Answer: To store websites

80. Which of the following is an example of a type of digital currency?

• A. Bitcoin
• B. Ethereum
• C. Litecoin
• D. All of the above

Answer: All of the above

81. What is the purpose of an RSS feed?

• A. To distribute web content
• B. To store data
• C. To enhance graphics
• D. To improve performance

Answer: To distribute web content

82. Which of the following is a type of phishing attack?

• A. Spear phishing
• B. Whaling
• C. Vishing
• D. All of the above

Answer: All of the above

83. What does the acronym 'DPI' stand for?

• A. Dots Per Inch
• B. Data Per Inch
• C. Dots Per Index
• D. Data Per Index

Answer: Dots Per Inch

84. What is the primary purpose of an analytics tool?

• A. To measure website performance
• B. To enhance graphics
• C. To store data
• D. To connect to the internet

Answer: To measure website performance

85. Which of the following is a characteristic of a mobile application?

• A. Designed for mobile devices
• B. Requires internet access
• C. Can be downloaded from an app store
• D. All of the above

Answer: All of the above

86. What does the acronym 'SEO' stand for?

• A. Search Engine Optimization
• B. Social Engine Optimization
• C. Search Engine Operation
• D. Social Engine Operation

Answer: Search Engine Optimization

87. What is the main function of a search engine optimization tool?

• A. To improve website visibility
• B. To store data
• C. To create applications
• D. To enhance graphics

Answer: To improve website visibility

88. Which of the following is an example of a type of artificial intelligence?

• A. Machine learning
• B. Natural language processing
• C. Computer vision
• D. All of the above

Answer: All of the above

89. What does the acronym 'AR' stand for?

• A. Augmented Reality
• B. Automatic Reality
• C. Advanced Reality
• D. Accessible Reality

Answer: Augmented Reality

90. What is the primary purpose of a chatbot?

• A. To interact with users
• B. To store data
• C. To enhance graphics
• D. To improve performance

Answer: To interact with users

91. Which of the following is a common feature of a smartphone?

• A. Touchscreen
• B. Camera
• C. Internet connectivity
• D. All of the above

Answer: All of the above

92. What does the acronym 'ML' stand for?

• A. Machine Learning
• B. Multimedia Learning
• C. Massive Learning
• D. Multi-layer Learning

Answer: Machine Learning

93. What is the main function of a digital wallet?

• A. To store digital currency
• B. To enhance security
• C. To create applications
• D. To improve performance

Answer: To store digital currency

94. Which of the following is a common programming language for web development?

• A. JavaScript
• B. HTML
• C. CSS
• D. All of the above

Answer: All of the above

95. What does the acronym 'WIFI' stand for?

• A. Wireless Fidelity
• B. Wide Fidelity
• C. Wireless Frequency
• D. Wide Frequency

Answer: Wireless Fidelity

96. What is the primary purpose of a digital signature?

• A. To verify the authenticity of a digital message
• B. To encrypt data
• C. To store data
• D. To enhance performance

Answer: To verify the authenticity of a digital message

97. Which of the following is a common type of database query?

• A. Select
• B. Insert
• C. Update
• D. All of the above

Answer: All of the above