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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

306 Questions Subject Test
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201
Medium ppsc Uploaded: 23 Aug 2026

Which of the following is a type of computer network topology?

  • A Firewall
  • B Compiler
  • C Kernel
  • D Mesh
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202
Medium pms Uploaded: 13 Aug 2026

What is the Internet of Things (IoT)?

  • A A single computer network
  • B A type of database
  • C A programming language
  • D A network of interconnected physical devices
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203
Medium css Uploaded: 23 Aug 2026

What is the function of Ctrl+Alt+Delete in Windows?

  • A To save a file
  • B To paste text
  • C To open task manager or security options
  • D To copy text
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204
Medium ppsc Uploaded: 13 Aug 2026

What is the function of a graphics card?

  • A Render images and video output
  • B Store data permanently
  • C Cool the CPU
  • D Provide internet connection
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205
Medium css pms fpsc ppsc nts Uploaded: 01 Jul 2026

Which data structure is primarily used by the Depth-First Search (DFS) algorithm?

  • A Queue
  • B Hash Table
  • C Stack
  • D Heap
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206
Medium fpsc Uploaded: 23 Aug 2026

Which wireless technology is commonly used for short-range device connections?

  • A Bluetooth
  • B Fiber Optic
  • C Ethernet
  • D DSL
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207
Medium css Uploaded: 09 Aug 2026

Which of the following is a valid IP address version widely used today alongside IPv6?

  • A IPv2
  • B IPv4
  • C IPv5
  • D IPv3
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208
Medium pms Uploaded: 07 Aug 2026

Which of the following is NOT a valid programming paradigm?

  • A Procedural Programming
  • B Functional Programming
  • C Object-Oriented Programming
  • D Sequential Logic Rendering
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209
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Who co-invented the World Wide Web (WWW) alongside Robert Cailliau?

  • A Tom Berners
  • B Mark Zuckerberg
  • C Tim Berners-Lee
  • D Bill Gates
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210
Medium pms Uploaded: 13 Aug 2026

What is the function of Microsoft Outlook?

  • A Spreadsheet management
  • B Presentation design
  • C Email and calendar management
  • D Database management
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211
Medium nts Uploaded: 13 Aug 2026

What is the file extension for a PowerPoint presentation?

  • A .doc
  • B .xls
  • C .ppt
  • D .txt
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212
Medium fpsc Uploaded: 09 Aug 2026

What does 'API' stand for?

  • A Automated Program Interface
  • B Application Process Integration
  • C Application Programming Interface
  • D Application Protocol Interface
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213
Medium nts Uploaded: 13 Aug 2026

What is the full form of RAM?

  • A Random Access Memory
  • B Random Allocation Memory
  • C Read Access Memory
  • D Read Allocation Memory
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214
Medium fpsc Uploaded: 23 Aug 2026

What is the purpose of a backup?

  • A To create a copy of data for recovery
  • B To speed up the computer
  • C To install software
  • D To delete unnecessary files
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215
Medium fpsc nts Uploaded: 20 Jun 2026

Which Access key uniquely identifies each record?

  • A Foreign Key
  • B Primary Key
  • C Composite Key
  • D Candidate Key
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216
Medium ppsc Uploaded: 07 Aug 2026

Which of the following is an example of system software?

  • A MS Word
  • B Operating System
  • C Google Chrome
  • D Adobe Photoshop
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217
Medium pms Uploaded: 23 Aug 2026

Which data structure follows the FIFO principle?

  • A Stack
  • B Graph
  • C Queue
  • D Tree
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218
Medium fpsc Uploaded: 23 Aug 2026

What is a nibble in computing?

  • A A group of 4 bits
  • B A group of 2 bits
  • C A group of 16 bits
  • D A group of 8 bits
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219
Medium fpsc nts Uploaded: 20 Jun 2026

Which Excel function counts non-empty cells?

  • A COUNT()
  • B COUNTA()
  • C COUNTIF()
  • D SUM()
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220
Medium css Uploaded: 09 Aug 2026

What is the primary purpose of cloud computing?

  • A Repair hardware
  • B Store and access data over the internet
  • C Design websites
  • D Print documents
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