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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

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1
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
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2
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
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3
Easy pms Uploaded: 13 Aug 2026

Which protocol is used for transferring files over the internet?

  • A HTTP
  • B POP3
  • C FTP
  • D SMTP
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4
Easy pms Uploaded: 23 Aug 2026

Which company developed Git?

  • A Linus Torvalds created it
  • B Google
  • C Microsoft
  • D Apple
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5
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
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6
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
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7
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
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8
Easy pms Uploaded: 13 Aug 2026

Which device amplifies and regenerates signals over long distances?

  • A Switch
  • B Repeater
  • C Bridge
  • D Router
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9
Easy pms Uploaded: 13 Aug 2026

Which device connects multiple networks together?

  • A Repeater
  • B Hub
  • C Router
  • D Switch
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10
Easy pms Uploaded: 13 Aug 2026

What is the purpose of an operating system's file manager?

  • A Manage CPU scheduling only
  • B Compile programs
  • C Manage network traffic
  • D Organize and manage files and folders
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11
Easy pms ppsc Uploaded: 09 Aug 2026

What does 'CSS' stand for in web development?

  • A Cascading Style Sheets
  • B Creative Style Sheets
  • C Computer Style Sheets
  • D Cascading Structure Sheets
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12
Easy pms Uploaded: 07 Aug 2026

What is the purpose of the 'GROUP BY' clause in SQL?

  • A Create a new table
  • B Sort data alphabetically
  • C Delete duplicate rows
  • D Group rows sharing a property for aggregate functions
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13
Easy pms Uploaded: 09 Aug 2026

Which of the following is a high-level programming language?

  • A Assembly
  • B Python
  • C Machine Code
  • D Binary
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14
Easy pms Uploaded: 23 Aug 2026

What is the function of an assembler?

  • A To interpret scripts
  • B To convert assembly language into machine code
  • C To compile high-level code
  • D To manage databases
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15
Easy pms Uploaded: 09 Aug 2026

Which of the following is an example of an open-source operating system?

  • A macOS
  • B iOS
  • C Linux
  • D Windows
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16
Easy pms Uploaded: 09 Aug 2026

What does 'ISP' stand for?

  • A Internet Service Provider
  • B Internal System Protocol
  • C Internet System Provider
  • D Internal Service Protocol
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17
Easy pms Uploaded: 13 Aug 2026

Which of the following is a popular JavaScript framework?

  • A Laravel
  • B React
  • C Django
  • D Flask
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18
Easy pms Uploaded: 23 Aug 2026

What is the full form of CPU cache?

  • A A type of hard disk
  • B A software application
  • C A network device
  • D Fast temporary memory close to the processor
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19
Easy pms Uploaded: 13 Aug 2026

Which protocol is used for secure web browsing?

  • A SMTP
  • B HTTPS
  • C HTTP
  • D FTP
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20
Easy pms Uploaded: 13 Aug 2026

What does SDLC stand for?

  • A System Design Life Cycle
  • B Software Development Life Cycle
  • C System Development Logic Cycle
  • D Software Design Life Cycle
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