Top 100 Basic Computer Fundamentals Questions and Answers MCQ – Welcome, here is a compilation of Top 100 Computer MCQs topic wise useful for school, college students and government exam aspirants.
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Top 100 Basic Computer Fundamentals Questions and Answers MCQ
Topic 1: Hardware – Computer Fundamentals MCQs
1. What is the primary function of the CPU in a computer?
a) Storage
b) Processing
c) Display
d) Networking
2. Which of the following is an input device?
a) Printer
b) Monitor
c) Keyboard
d) Speaker
3. What does RAM stand for?
a) Random Access Memory
b) Read-Only Memory
c) Random Active Memory
d) Rapid Access Memory
4. Which component of a computer is responsible for storing data permanently?
a) RAM
b) CPU
c) Hard Drive
d) ROM
5. Which type of printer uses ink cartridges?
a) Laser
b) Dot Matrix
c) Inkjet
d) Thermal
Related : Media Access Control in Computer Networks
Topic 2: Software
6. Which operating system is developed by Microsoft?
a) Linux
b) macOS
c) Windows
d) Android
7. What programming language is used to create web pages?
a) HTML
b) Java
c) Python
d) C++
8. Which software is used to create spreadsheets?
a) Microsoft Word
b) Photoshop
c) Excel
d) PowerPoint
9. Which of the following is an example of system software?
a) Microsoft Office
b) Google Chrome
c) Windows Defender
d) Adobe Photoshop
10. What is the purpose of antivirus software?
a) Creating documents
b) Protecting against malware
c) Editing images
d) Playing music
Topic 3: Networking – Computer Fundamentals MCQ
11. What is the full form of LAN?
a) Local Area Network
b) Large Area Network
c) Limited Access Network
d) Longitudinal Area Network
12. Which device connects multiple computers to form a LAN?
a) Router
b) Modem
c) Switch
d) Firewall
13. What does ISP stand for?
a) Internet Service Provider
b) Internal Security Protocol
c) International Standards Protocol
d) Internet Sharing Program
14. Which protocol is used to send emails over the internet?
a) HTTP
b) FTP
c) SMTP
d) TCP
15. What does TCP/IP stand for?
a) Transmission Control Protocol/Internet Protocol
b) Telecommunications Control Protocol/Internet Protocol
c) Transmission Communication Protocol/Internet Protocol
d) Telecommunications Communication Protocol/Internet Protocol
Topic 4: Security
16. What is the purpose of a firewall?
a) Protect against physical theft
b) Protect against viruses and malware
c) Control network traffic
d) Encrypt data
17. What is the most common method for authenticating users?
a) Passwords
b) Fingerprints
c) Facial recognition
d) Retina scan
18. Which of the following is a type of malware that encrypts files and demands payment for decryption?
a) Virus
b) Worm
c) Trojan
d) Ransomware
19. What is the purpose of encryption?
a) Hiding data
b) Deleting data
c) Protecting data from unauthorized access
d) Increasing data storage
20. Which of the following is NOT a recommended practice for maintaining good cybersecurity?
a) Using strong, unique passwords
b) Downloading files from untrusted sources
c) Keeping software up to date
d) Being cautious of phishing emails
Topic 5: Internet and World Wide Web
21. What is the main purpose of a web browser?
a) To create websites
b) To view and navigate websites
c) To host websites
d) To connect to the internet
22. Which organization oversees the development of web standards?
a) W3C (World Wide Web Consortium)
b) IEEE (Institute of Electrical and Electronics Engineers)
c) ISO (International Organization for Standardization)
d) IETF (Internet Engineering Task Force)
23. What does URL stand for?
a) Universal Resource Locator
b) Uniform Resource Link
c) Unified Resource Locator
d) Unique Resource Link
24. What protocol is used for secure communication over the internet?
a) HTTP
b) FTP
c) HTTPS
d) SMTP
25. Which of the following is NOT a commonly used web programming language?
a) JavaScript
b) HTML
c) CSS
d) SQL
Topic 6: Storage Devices
26. Which storage device has the fastest access time?
a) Hard Disk Drive (HDD)
b) Solid State Drive (SSD)
c) USB Flash Drive
d) Optical Disc
27. What is the maximum storage capacity of a standard Blu-ray disc?
a) 25 GB
b) 50 GB
c) 100 GB
d) 200 GB
28. Which of the following is a volatile storage device?
a) SSD
b) HDD
c) RAM
d) DVD
29. What is the primary advantage of cloud storage?
a) Low cost
b) Fast access times
c) Physical security
d) Accessibility from anywhere with internet
30. What is the purpose of a RAID system?
a) To increase storage capacity
b) To improve data security and reliability
c) To decrease access time
d) To compress data
Topic 7: Input and Output Devices
31. Which of the following is an example of a pointing device?
a) Keyboard
b) Mouse
c) Monitor
d) Printer
32. What is the primary function of a scanner?
a) To print documents
b) To capture images and text from physical documents
c) To display images on the screen
d) To store data temporarily
33. Which device is used to produce a hard copy of documents?
a) Scanner
b) Printer
c) Plotter
d) Speaker
34. What is the main function of a microphone?
a) To display images
b) To input sound into a computer
c) To print documents
d) To input text into a computer
35. What is the purpose of a projector?
a) To input data into a computer
b) To output data from a computer onto a screen or wall
c) To store data permanently
d) To connect multiple computers together
Topic 8: Computer Architecture
36. What is the role of the motherboard in a computer?
a) To store data permanently
b) To provide power to other components
c) To house the CPU and other essential components
d) To display images on the screen
37. What is the purpose of the BIOS (Basic Input/Output System)?
a) To manage communication between hardware devices
b) To load the operating system into memory during startup
c) To protect against malware and viruses
d) To create backups of data
38. What does GPU stand for?
a) General Processing Unit
b) Graphical Processing Unit
c) Global Processing Unit
d) General Purpose Unit
39. What is the purpose of a power supply unit (PSU)?
a) To manage communication between hardware devices
b) To provide power to the components of a computer
c) To load the operating system into memory during startup
d) To protect against malware and viruses
40. What is the function of the cache memory in a computer?
a) To store frequently accessed data for quick retrieval
b) To store data permanently
c) To display images on the screen
d) To provide power to other components
Topic 9: Programming Concepts
41. What is a variable in programming?
a) A value that never changes
b) A container for storing data that can be manipulated during program execution
c) A specific type of data structure
d) A function that performs a specific task
42. What is the purpose of a loop in programming?
a) To store data permanently
b) To execute a block of code repeatedly until a certain condition is met
c) To display images on the screen
d) To provide power to other components
43. What is an algorithm?
a) A set of instructions for solving a problem or accomplishing a task
b) A programming language
c) A type of variable
d) A type of loop
44. What is the difference between = and == in programming?
a) They are the same
b) = is used for assignment, while == is used for comparison
c) == is used for assignment, while = is used for comparison
d) They both perform arithmetic operations
45. What is the purpose of a function in programming?
a) To store data permanently
b) To perform a specific task or calculation
c) To display images on the screen
d) To provide power to other components
Topic 10: Data Structures and Algorithms
46. What is an array in programming?
a) A linear data structure that stores a collection of elements of the same type
b) A function that performs a specific task
c) A type of loop
d) A container for storing data that can be manipulated during program execution
47. What is a linked list?
a) A data structure that stores elements in a random order
b) A linear data structure that stores elements of the same type
c) A data structure that consists of a sequence of elements, each pointing to the next element in the sequence
d) A type of loop
48. What is a stack?
a) A linear data structure that follows the Last In, First Out (LIFO) principle
b) A data structure that stores elements in a random order
c) A container for storing data that can be manipulated during program execution
d) A type of loop
49. What is a queue?
a) A linear data structure that follows the First In, First Out (FIFO) principle
b) A data structure that stores elements in a random order
c) A container for storing data that can be manipulated during program execution
d) A type of loop
50. What is a binary tree?
a) A data structure that consists of a sequence of elements, each pointing to the next element in the sequence
b) A tree data structure in which each node has at most two children, referred to as the left child and the right child
c) A linear data structure that stores elements of the same type
d) A type of loop
Topic 11: Database Management Systems – Computer MCQ
51. What is a database?
a) A collection of hardware components
b) A collection of related data organized in a structured format
c) A programming language
d) A type of loop
52. What is SQL? – Basic Computer Fundamentals Questions and Answers MCQ
a) Structured Language Query
b) Sequential Language Query
c) Structured Query Language
d) Sequential Query Language
53. What is the purpose of a primary key in a database table?
a) To uniquely identify each record in the table
b) To store text data
c) To display images
d) To provide power to other components
54. What is a foreign key in a database table?
a) A key that uniquely identifies each record in the table
b) A key that references a primary key in another table
c) A type of loop
d) A container for storing data that can be manipulated during program execution
55. What is normalization in database design?
a) The process of organizing data to minimize redundancy and dependency
b) The process of displaying data on the screen
c) The process of executing SQL queries
d) The process of optimizing database performance
Topic 12: Operating Systems Basic MCQ
56. What is the purpose of an operating system?
a) To store data permanently
b) To manage hardware resources and provide a user interface
c) To provide power to other components
d) To perform mathematical calculations
57. What is multitasking?
a) The ability of an operating system to run multiple programs simultaneously
b) The process of organizing data to minimize redundancy and dependency
c) The process of executing SQL queries
d) The process of optimizing database performance
58. What is virtual memory?
a) A type of memory that is stored in the cloud
b) A memory management technique that uses disk space to simulate additional RAM
c) A type of loop
d) A container for storing data that can be manipulated during program execution
59. What is a file system?
a) The way in which files are stored and organized on a storage device
b) A data structure that stores elements in a random order
c) A container for storing data that can be manipulated during program execution
d) A type of loop
60. What is the purpose of device drivers in an operating system?
a) To store data permanently
b) To facilitate communication between the operating system and hardware devices
c) To provide power to other components
d) To perform mathematical calculations
Topic 13: Computer Security
61. What is authentication?
a) The process of protecting data from unauthorized access
b) The process of verifying the identity of a user or system
c) The process of storing data permanently
d) The process of displaying images
62. What is encryption?
a) The process of hiding data
b) The process of protecting data from unauthorized access
c) The process of displaying images
d) The process of providing power to other components
63. What is a firewall?
a) A physical barrier that protects a computer from physical threats
b) A software or hardware-based security system that monitors and controls incoming and outgoing network traffic
c) A container for storing data that can be manipulated during program execution
d) A type of loop
64. What is a virus?
a) A type of malware that encrypts files and demands payment for decryption
b) A self-replicating program that spreads by infecting other programs and files
c) A container for storing data that can be manipulated during program execution
d) A type of loop
65. What is a phishing attack?
a) A type of malware that encrypts files and demands payment for decryption
b) A type of attack in which attackers trick users into providing sensitive information
c) A container for storing data that can be manipulated during program execution
d) A type of loop
Topic 14: Computer Networks – Fundamental Questions and Answers
66. What is a network?
a) A collection of hardware components
b) A collection of computers and other devices connected together for communication purposes
c) A programming language
d) A type of loop
67. What is a router?
a) A device that connects multiple computers to form a LAN
b) A device that connects two or more networks together and routes data between them
c) A container for storing data that can be manipulated during program execution
d) A type of loop
68. What is an IP address?
a) A unique identifier assigned to each device connected to a network
b) A container for storing data that can be manipulated during program execution
c) A type of loop
d) A programming language
69. What is a protocol?
a) A set of rules governing communication between devices
b) A container for storing data that can be manipulated during program execution
c) A type of loop
d) A programming language
70. What is a packet?
a) A small unit of data transmitted over a network
b) A container for storing data that can be manipulated during program execution
c) A type of loop
d) A programming language
Topic 15: Internet Technologies
71. What is a web server?
a) A computer program that serves requested web pages to users over the internet
b) A container for storing data that can be manipulated during program execution
c) A type of loop
d) A programming language
72. What is HTML?
a) Hyper Text Markup Language
b) Hyper Text Manipulation Language
c) High-Level Text Language
d) Hyperlink Text Markup Language
73. What is HTTP?
a) Hyperlink Transfer Protocol
b) Hyper Text Transfer Protocol
c) Hyper Text Manipulation Protocol
d) High-Level Text Protocol
74. What is a URL?
a) Uniform Resource Locator
b) Universal Resource Link
c) Unique Resource Locator
d) Universal Resource Locator
75. What is a cookie in the context of web browsing?
a) A small piece of data stored on a user's computer by a website, typically used to track and personalize user behavior
b) A container for storing data that can be manipulated during program execution
c) A type of loop
d) A programming language
Topic 16: Computer Architecture and Organization
76. What is a CPU?
a) Central Processing Unit
b) Central Programming Unit
c) Computer Processing Unit
d) Computer Programming Unit
77. What is an ALU?
a) Arithmetic Logic Unit
b) Arithmetic Language Unit
c) Arithmetic Looping Unit
d) Algorithmic Logic Unit
78. What is a register?
a) A small, fast storage location within the CPU used to temporarily hold data and instructions
b) A container for storing data that can be manipulated during program execution
c) A type of loop
d) A programming language
79. What is a bus in computer architecture?
a) A communication system that transfers data between components inside a computer or between computers
b) A container for storing data that can be manipulated during program execution
c) A type of loop
d) A programming language
80. What is the purpose of a cache memory?
a) To store frequently accessed data for quick retrieval
b) To store data permanently
c) To display images on the screen
d) To provide power to other components
Topic 17: Computer Programming
81. What is a variable in programming?
a) A container for storing data that can be manipulated during program execution
b) A type of loop
c) A programming language
d) A device that connects two or more networks together and routes data between them
82. What is a function in programming?
a) A named block of code that performs a specific task or calculation
b) A container for storing data that can be manipulated during program execution
c) A type of loop
d) A programming language
83. What is a loop in programming?
a) A control structure that repeats a block of code until a certain condition is met
b) A container for storing data that can be manipulated during program execution
c) A programming language
d) A device that connects two or more networks together and routes data between them
84. What is an array in programming?
a) A collection of elements of the same type stored in a contiguous memory location
b) A container for storing data that can be manipulated during program execution
c) A programming language
d) A device that connects two or more networks together and routes data between them
85. What is the difference between a compiler and an interpreter?
a) A compiler translates the entire program into machine code before execution, while an interpreter translates and executes the program line by line
b) A compiler translates and executes the program line by line, while an interpreter translates the entire program into machine code before execution
c) A compiler translates the program into a high-level language, while an interpreter translates the program into machine code
d) A compiler translates and executes the program line by line, while an interpreter translates the program into a high-level language
Topic 18: Data Structures and Algorithms
86. What is a linked list?
a) A linear data structure that stores elements in a random order
b) A data structure that consists of a sequence of elements, each pointing to the next element in the sequence
c) A container for storing data that can be manipulated during program execution
d) A programming language
87. What is a stack?
a) A linear data structure that follows the Last In, First Out (LIFO) principle
b) A data structure that stores elements in a random order
c) A programming language
d) A device that connects two or more networks together and routes data between them
88. What is a queue?
a) A linear data structure that follows the First In, First Out (FIFO) principle
b) A data structure that stores elements in a random order
c) A programming language
d) A device that connects two or more networks together and routes data between them
89. What is a binary tree?
a) A tree data structure in which each node has at most two children, referred to as the left child and the right child
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
90. What is a graph in data structures?
a) A collection of nodes and edges that represent relationships between pairs of elements
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
Topic 19: Database Management Systems
91. What is a database?
a) A collection of related data organized in a structured format
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
92. What is SQL?
a) Structured Query Language
b) Structured Language Query
c) Sequential Query Language
d) Sequential Language Query
93. What is a primary key in a database table?
a) A unique identifier assigned to each record in the table
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
94. What is a foreign key in a database table?
a) A key that references a primary key in another table
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
95. What is normalization in database design?
a) The process of organizing data to minimize redundancy and dependency
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
Topic 20: Computer Graphics – Basic Computer Questions
96. What is pixel?
a) The smallest unit of a digital image
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
97. What is resolution?
a) The number of pixels in a digital image
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
98. What is raster graphics?
a) A type of graphic that is made up of pixels arranged in a grid
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
99. What is vector graphics?
a) A type of graphic that is made up of mathematical equations representing lines and shapes
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
100. What is rendering?
a) The process of creating a final image from a scene description
b) A linear data structure that stores elements of the same type
c) A programming language
d) A device that connects two or more networks together and routes data between them
So these were some of the computer fundamentals mcq, basic computer questions. These questions should provide a comprehensive coverage of various computer science topics. If you need more computer fundamentals questions and answers or have any specific topics in mind, feel free to let me know in the comments below!
