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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

129 Questions Subject Test
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1
Medium pms Uploaded: 13 Aug 2026

What is the main function of an operating system?

  • A Manage hardware and software resources
  • B Compile programs
  • C Write documents
  • D Design websites
2
Medium pms Uploaded: 23 Aug 2026

What does HTTP status code 200 indicate?

  • A Page not found
  • B Bad request
  • C Successful request
  • D Server error
3
Medium css pms fpsc ppsc nts Uploaded: 01 Jul 2026

What does "GPT" stand for in ChatGPT?

  • A Global Prediction Technique
  • B Generative Pre-trained Transforme
  • C General Processing Tool
  • D Graphical Pattern Tracke
4
Medium pms Uploaded: 13 Aug 2026

What does Wi-Fi stand for?

  • A Wireless Fidelity
  • B Wireless Field
  • C Wireless Finder
  • D Wide Fidelity
5
Easy pms Uploaded: 23 Aug 2026

What is a computer worm?

  • A A type of firewall
  • B A programming language
  • C Self-replicating malware that spreads across networks
  • D A hardware component
6
Easy pms Uploaded: 09 Aug 2026

Which of the following is an example of a mobile operating system?

  • A Linux
  • B Android
  • C Ubuntu
  • D Windows Server
7
Medium css pms Uploaded: 20 Jun 2026

What is a macro in MS Office?

  • A Database
  • B Automated task sequence
  • C Chart type
  • D Network protocol
8
Medium pms Uploaded: 09 Aug 2026

What is the binary equivalent of decimal number 10?

  • A 1010
  • B 1100
  • C 1011
  • D 1001
9
Easy pms Uploaded: 13 Aug 2026

Which protocol is used for transferring files over the internet?

  • A HTTP
  • B POP3
  • C FTP
  • D SMTP
10
Medium pms Uploaded: 23 Aug 2026

How many bits make one byte?

  • A 8
  • B 16
  • C 4
  • D 2
11
Medium pms ppsc Uploaded: 07 Aug 2026

Which of the following best describes 'Big Data'?

  • A A programming language
  • B A small database table
  • C Extremely large and complex data sets
  • D A type of computer virus
12
Easy pms Uploaded: 23 Aug 2026

Which company developed Git?

  • A Linus Torvalds created it
  • B Google
  • C Microsoft
  • D Apple
13
Easy pms Uploaded: 13 Aug 2026

Which HTTP method is used to retrieve data from a server?

  • A PUT
  • B POST
  • C DELETE
  • D GET
14
Easy pms Uploaded: 23 Aug 2026

What is the function of a GPU?

  • A To store data permanently
  • B To manage network traffic
  • C To process and render graphics and images
  • D To compile programs
15
Medium pms Uploaded: 23 Aug 2026

Which HTML tag is used to define the largest heading?

  • A <h6>
  • B <h1>
  • C <header>
  • D <head>
16
Medium pms Uploaded: 13 Aug 2026

Which of the following is an example of cloud storage service?

  • A Notepad
  • B Google Drive
  • C MS Paint
  • D Calculator
17
Easy pms Uploaded: 07 Aug 2026

What is the primary difference between compiled and interpreted languages?

  • A Compiled languages translate entire code before execution; interpreted languages execute line by line
  • B Compiled languages are always slower
  • C Interpreted languages cannot handle loops
  • D Compiled languages do not require syntax
18
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Which bus is primarily responsible for transferring data between the CPU and memory?

  • A Address Bus
  • B Expansion Bus
  • C Control Bus
  • D Data Bus
19
Hard css pms Uploaded: 20 Jun 2026

Which topology provides the highest fault tolerance?

  • A Bus
  • B Star
  • C Ring
  • D Mesh
20
Medium pms Uploaded: 07 Aug 2026

What does SQL stand for?

  • A Structured Question Language
  • B Simple Query Language
  • C Structured Query Language
  • D System Query Language
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