To be ready to any competitive exams such as PPSC, FPSC, CSS, PMS, and NTS we need a good commandment on all major subjects, and Computer Science has proven to be one of the most significant ones when it comes to screening exams and other subject-specific tests. Nowadays, computer literacy is not only a prerequisite to jobs involving IT skills but it also forms part of most general recruitment workshops. With this in mind, we have put together a full set of Computer Science Solved MCQs that span all the key areas that are anticipated in an exam likely to be done in the year 2025.
Most of the repeated past paper questions and their correct answers and explanations have been included in this post to enable the candidates prepare effectively. The MCQs are properly chosen among the papers of past years of PPSC (Punjab Public Service Commission), FPSC (Federal Public Service Commission), CSS (Central Superior Services), PMS (Provincial Management Service), and NTS (National Testing Service) examinations. With this practice of the solved questions, the candidates will be able to work on their theoretical concepts, as well as familiarize themselves with the pattern and style of the questions, asked in the competitive examinations.
These MCQs that focus on essential computer science concepts, computer hardware and software, operating systems, networking, computer programming, databases, introductory internet skills, and security basics on computers. Categories of questions are explained using simple and straightforward words so that even professionals in this field can easily understand.
You are going to write a lecturer post, getting ready to junior clerk tests, or are going to go beyond that, to more demanding exams, like CSS and PMS, then this post will make a good study tool. These solved MCQs will enable aspirants to increase their self-esteem, time management, and maximize their chances of succeeding in competitive exams in 2025.
Computer Science Solved MCQs for PPSC FPSC CSS PMS NTS
1. What is the primary function of a computer?
- A. To connect to the internet
- B. To take input, process it, and convert it into output
- C. To display videos and images
- D. To provide power to other devices
2. The tangible, physical parts of a computer are collectively known as:
- A. Software
- B. Hardware
- C. Firmware
- D. Liveware
3. A set of instructions that tells the computer “what to do” is called:
- A. Hardware
- B. Software
- C. Input
- D. Output
4. Which of the following is an example of system software?
- A. Microsoft Word
- B. Operating System
- C. Skype
- D. Media Player
5. WinZip is an example of what type of system software?
- A. Operating System
- B. Utility Program
- C. Language Translator
- D. Custom-built Software
6. Software developed for the general public to purchase is known as:
- A. Custom-built Software
- B. Packaged Software
- C. System Software
- D. Utility Software
7. The smallest unit of data in a computer is a:
- A. Byte
- B. Bit
- C. Nibble
- D. Character
8. A combination of 8 bits is called a:
- A. Bit
- B. Nibble
- C. Byte
- D. Word
9. How many bytes are in 1 Kilobyte (KB)?
- A. 1000 bytes
- B. 1024 bytes
- C. 1054 bytes
- D. 2048 bytes
10. The design of a stored program computer was proposed by:
- A. Charles Babbage
- B. John Von Neumann
- C. Bill Gates
- D. Gordon Moore
11. Which of the following is considered the “brain” of the computer?
- A. Hard Disk
- B. CPU
- C. RAM
- D. Monitor
12. Which memory is volatile in nature?
- A. Hard Disk
- B. ROM
- C. RAM
- D. DVD
13. Which of the following is not an input device?
- A. Keyboard
- B. Mouse
- C. Printer
- D. Scanner
14. Which of the following is permanent memory?
- A. RAM
- B. ROM
- C. Cache
- D. Registers
15. What does GUI stand for?
- A. General User Interaction
- B. Graphical User Interface
- C. Global User Integration
- D. Graphical Utility Interaction
16. Which of the following is the fastest memory?
- A. RAM
- B. Hard Disk
- C. Cache
- D. DVD
17. Which unit of the CPU performs arithmetic and logic operations?
- A. Control Unit
- B. ALU
- C. Memory Unit
- D. Register
18. Which key is used to refresh a web page?
- A. F2
- B. F3
- C. F5
- D. F7
19. Which of the following is NOT an operating system?
- A. Windows
- B. Linux
- C. MS Office
- D. MacOS
20. Which protocol is used to access the World Wide Web?
- A. FTP
- B. HTTP
- C. SMTP
- D. POP3
21. The first mechanical computer was designed by:
- A. Charles Babbage
- B. Alan Turing
- C. John Napier
- D. Blaise Pascal
22. Which storage device uses laser technology to read and write data?
- A. Hard Disk
- B. CD/DVD
- C. Flash Drive
- D. SSD
23. Which device converts digital signals into analog for telephone lines?
- A. Switch
- B. Modem
- C. Router
- D. Hub
24. Which of the following is an example of open-source software?
- A. MS Word
- B. Photoshop
- C. Linux
- D. CorelDraw
25. Which company developed the Windows operating system?
- A. Microsoft
- B. Apple
- C. IBM
- D. Google
26. What is the shortcut key to copy selected text in Windows?
- A. Ctrl + X
- B. Ctrl + C
- C. Ctrl + V
- D. Ctrl + Z
27. What is the full form of URL?
- A. Uniform Resource Locator
- B. Universal Routing Link
- C. Uniform Routing Locator
- D. Unified Resource Link
28. Which part of the computer is responsible for displaying output?
- A. Monitor
- B. Keyboard
- C. Scanner
- D. Mouse
29. Which device is called the pointing device?
- A. Keyboard
- B. Mouse
- C. Printer
- D. Speaker
30. Which company developed the first microprocessor?
- A. AMD
- B. Intel
- C. Microsoft
- D. IBM
31. The brain of the computer is called:
- A. Hard Disk
- B. CPU
- C. RAM
- D. Monitor
32. Which of the following is a non-volatile storage device?
- A. RAM
- B. Cache
- C. Hard Disk
- D. Registers
33. The operating system of a computer is:
- A. Hardware
- B. System Software
- C. Application Software
- D. Firmware
34. Which part of the computer is responsible for arithmetic and logical operations?
- A. Control Unit
- B. Memory
- C. ALU
- D. Input Device
35. The main function of the Control Unit in CPU is to:
- A. Perform Calculations
- B. Store Data
- C. Direct Data Flow
- D. Display Output
36. Which storage is faster?
- A. Hard Disk
- B. Cache
- C. RAM
- D. Optical Disk
37. The full form of URL is:
- A. Uniform Resource Locator
- B. Uniform Resource Locator
- C. Universal Reference Link
- D. Uniform Reference Locator
38. Which protocol is used to transfer web pages?
- A. FTP
- B. SMTP
- C. HTTP
- D. SNMP
39. Which device is required for internet connection?
- A. Joystick
- B. Modem
- C. Scanner
- D. Microphone
40. Which of the following is an example of an application software?
- A. Windows
- B. MS Word
- C. Linux
- D. MacOS
41. Which device is used to convert digital signals to analog for transmission over telephone lines?
- A. Hub
- B. Modem
- C. Switch
- D. Router
42. Which of the following is an example of a programming language?
- A. HTML
- B. Python
- C. HTTP
- D. USB
43. The first page of a website is usually called:
- A. End Page
- B. Home Page
- C. Index Page
- D. Title Page
44. Which memory is permanent and cannot be changed?
- A. RAM
- B. Cache
- C. ROM
- D. Registers
45. The shortcut key to copy selected text in Windows is:
- A. Ctrl + X
- B. Ctrl + V
- C. Ctrl + C
- D. Ctrl + Z
46. The shortcut key to paste copied text in Windows is:
- A. Ctrl + X
- B. Ctrl + V
- C. Ctrl + P
- D. Ctrl + D
47. The most widely used operating system in personal computers is:
- A. Linux
- B. MacOS
- C. Windows
- D. Android
48. The full form of IP in networking is:
- A. Internet Process
- B. Internet Protocol
- C. Internal Path
- D. Instant Program
49. Which device connects multiple computers within a network?
- A. Modem
- B. Switch
- C. Printer
- D. Plotter
50. Which of the following is an example of open-source software?
- A. MS Office
- B. Windows
- C. Linux
- D. Photoshop
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