Basic Computer Studies MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 2, 2025

1. What is the brain of the computer?
(A) Memory
(B) CPU
(C) Hard Drive
(D) Monitor

2. Which of the following is an input device?
(A) Printer
(B) Monitor
(C) Keyboard
(D) Speaker

3. Which of the following is an output device?
(A) Mouse
(B) Keyboard
(C) Monitor
(D) Scanner

4. What does RAM stand for?
(A) Random Access Memory
(B) Read Access Memory
(C) Run Access Memory
(D) Random Available Memory

5. What does ROM stand for?
(A) Read Only Memory
(B) Read On Memory
(C) Random Only Memory
(D) Run On Memory

6. Which type of software controls the hardware of a computer?
(A) Application Software
(B) System Software
(C) Utility Software
(D) Development Software

7. Which of the following is an example of an operating system?
(A) Microsoft Word
(B) Microsoft Excel
(C) Windows 10
(D) Adobe Photoshop

8. What is the main function of the ALU?
(A) Store data
(B) Perform arithmetic and logic operations
(C) Control hardware
(D) Manage memory

9. What does the acronym CPU stand for?
(A) Central Processing Unit
(B) Central Programming Unit
(C) Central Peripheral Unit
(D) Central Performance Unit

10. Which of the following is volatile memory?
(A) ROM
(B) RAM
(C) Hard Disk
(D) CD-ROM

11. What is the primary purpose of a hard drive?
(A) Input data
(B) Output data
(C) Store data
(D) Process data

12. Which device is used to connect a computer to a network?
(A) Printer
(B) Scanner
(C) Modem
(D) Mouse

13. What does GUI stand for?
(A) Graphic User Interface
(B) Graphical User Interface
(C) General User Interface
(D) Graphical Universal Interface

14. What is a byte?
(A) 4 bits
(B) 8 bits
(C) 16 bits
(D) 32 bits

15. What is the function of the Control Unit in a CPU?
(A) Perform calculations
(B) Store data
(C) Manage hardware resources
(D) Direct operations of the processor

16. Which of the following is a storage device?
(A) Mouse
(B) Monitor
(C) Hard Disk
(D) Printer

17. What does the term ‘bit’ stand for?
(A) Binary Term
(B) Binary Information
(C) Binary Digit
(D) Binary Data

18. Which memory is used for storing programs and data currently being processed by the CPU?
(A) ROM
(B) RAM
(C) Hard Disk
(D) USB Drive

19. Which of the following is not an operating system?
(A) Windows
(B) Linux
(C) Photoshop
(D) MacOS

20. What is the smallest unit of data in a computer?
(A) Byte
(B) Bit
(C) Nibble
(D) Word

21. Which device is primarily used for typing on a computer?
(A) Mouse
(B) Monitor
(C) Keyboard
(D) Printer

22. What type of software application is Microsoft Word?
(A) Spreadsheet
(B) Database
(C) Word Processor
(D) Presentation

23. What is the main function of the motherboard?
(A) Store data
(B) Provide a platform for connecting all the computer’s components
(C) Perform calculations
(D) Input data

24. Which of the following is a high-level programming language?
(A) Machine Language
(B) Assembly Language
(C) Python
(D) Binary Code

25. Which component is considered the ‘brain’ of the computer?
(A) RAM
(B) CPU
(C) Hard Drive
(D) Monitor

26. What does USB stand for?
(A) Universal Serial Bus
(B) Universal Service Bus
(C) Universal System Bus
(D) Universal Storage Bus

27. What type of device is a printer?
(A) Input
(B) Output
(C) Storage
(D) Processing

28. Which of the following is an example of an optical storage device?
(A) Hard Disk
(B) USB Drive
(C) CD-ROM
(D) RAM

29. Which unit is used to measure the speed of a CPU?
(A) Hertz
(B) Bytes
(C) Bits
(D) Pixels

30. What does the acronym URL stand for?
(A) Uniform Resource Locator
(B) Universal Resource Locator
(C) Uniform Resource Link
(D) Universal Resource Link

31. What is the purpose of an operating system?
(A) To manage hardware and software resources on a computer
(B) To process data
(C) To store data
(D) To connect to the internet

32. Which part of the computer performs arithmetic and logic operations?
(A) RAM
(B) Hard Drive
(C) ALU (Arithmetic Logic Unit)
(D) Monitor

33. What is the full form of HTML?
(A) Hyper Text Markup Language
(B) High Text Markup Language
(C) Hyper Text Makeup Language
(D) High Text Makeup Language

34. What does HTTP stand for?
(A) Hyper Text Transfer Protocol
(B) High Text Transfer Protocol
(C) Hyper Text Transmission Protocol
(D) High Text Transmission Protocol

35. Which of the following is used to connect to the Internet?
(A) Modem
(B) Monitor
(C) Printer
(D) Keyboard

36. What is the permanent memory built into your computer called?
(A) RAM
(B) CPU
(C) ROM
(D) Hard Drive

37. Which of the following is an example of a web browser?
(A) Microsoft Word
(B) Google Chrome
(C) Windows Explorer
(D) Adobe Photoshop

38. What is the main function of the BIOS?
(A) Store data
(B) Perform calculations
(C) Manage hardware initialization during booting
(D) Connect to the internet

39. What does LAN stand for?
(A) Local Area Network
(B) Large Area Network
(C) Long Area Network
(D) Light Area Network

40. What is a collection of computers and devices connected together called?
(A) Network
(B) Database
(C) Spreadsheet
(D) Operating System

41. What is the full form of IP in IP address?
(A) Internet Protocol
(B) Internal Protocol
(C) International Protocol
(D) Internet Procedure

42. Which of the following is not a type of computer network?
(A) LAN
(B) WAN
(C) PAN
(D) TAN

43. What is the main purpose of a firewall?
(A) To store data
(B) To process data
(C) To provide security by controlling incoming and outgoing network traffic
(D) To manage memory

44. Which device is used to store large amounts of data?
(A) RAM
(B) Hard Disk
(C) Monitor
(D) Keyboard

45. What does the acronym SQL stand for?
(A) Structured Query Language
(B) Simple Query Language
(C) Structured Question Language
(D) Simple Question Language

46. What is the name of the first electronic general-purpose computer?
(A) ENIAC
(B) UNIVAC
(C) EDSAC
(D) EDVAC

47. What is the main advantage of a solid-state drive (SSD) over a hard disk drive (HDD)?
(A) Lower cost
(B) Faster speed
(C) More storage capacity
(D) Easier to repair

48. What does ‘cloud computing’ refer to?
(A) Using data storage and computing power over the internet
(B) Using lightweight computers
(C) Computing using desktop software
(D) Data storage on local servers

49. What is the purpose of a router?
(A) To connect multiple networks and route network traffic
(B) To store data
(C) To process data
(D) To display data

50. What is an example of a mobile operating system?
(A) Windows 10
(B) MacOS
(C) Android
(D) Linux