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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

601 Questions Subject Test
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Filter: All Exams css pms fpsc ppsc nts | All Easy Medium Hard
441
Easy ppsc Uploaded: 09 Aug 2026

Which of the following is a volatile memory?

  • A RAM
  • B Flash Drive
  • C Hard Disk
  • D ROM
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442
Easy fpsc Uploaded: 13 Aug 2026

Which of the following is a client-server database?

  • A Notepad
  • B MySQL
  • C MS Access
  • D Excel
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443
Hard pms Uploaded: 07 Aug 2026

What is the purpose of an IP address?

  • A Run applications
  • B Display graphics
  • C Uniquely identify a device on a network
  • D Store files
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444
Easy ppsc Uploaded: 23 Aug 2026

Which component is regarded as the brain of the computer?

  • A RAM
  • B Motherboard
  • C Hard Disk
  • D CPU
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445
Hard fpsc Uploaded: 13 Aug 2026

Which of these is considered strong password practice?

  • A Using birth date
  • B Sharing password with friends
  • C Using the same password everywhere
  • D Using a mix of letters, numbers, and symbols
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446
Easy ppsc Uploaded: 23 Aug 2026

What is the purpose of the <title> tag in HTML?

  • A To insert an image
  • B To create a hyperlink
  • C To create a table
  • D To set the title shown in the browser tab
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447
Medium css pms Uploaded: 20 Jun 2026

What is multitasking in an operating system?

  • A Using multiple monitors
  • B Running multiple processes concurrently
  • C Installing multiple OS
  • D Using many files
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448
Medium pms Uploaded: 09 Aug 2026

Which of the following is a popular relational database management system?

  • A MongoDB
  • B Cassandra
  • C MySQL
  • D Redis
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449
Hard fpsc Uploaded: 13 Aug 2026

What is the purpose of a web server?

  • A Manage hardware only
  • B Serve web pages and content to clients over the internet
  • C Design graphics
  • D Store user passwords only
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450
Easy css Uploaded: 07 Aug 2026

What is the full form of CPU cache 'L1'?

  • A Level 1 Cache
  • B Local 1 Cache
  • C Layer 1 Cache
  • D Link 1 Cache
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451
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

What is the main purpose of a Firewall in a computer network?

  • A To prevent unauthorized access
  • B To remove all viruses from a computer
  • C To increase internet speed
  • D To store network Data
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452
Easy fpsc Uploaded: 23 Aug 2026

Which file extension is used for Microsoft Word documents?

  • A .pptx
  • B .docx
  • C .pdf
  • D .xlsx
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453
Medium css fpsc Uploaded: 20 Jun 2026

What is the purpose of an index in a database?

  • A Reduce security
  • B Improve query performance
  • C Store backups
  • D Encrypt records
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454
Hard fpsc Uploaded: 13 Aug 2026

Which SQL command is used to remove a table completely?

  • A DELETE
  • B TRUNCATE
  • C REMOVE
  • D DROP
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455
Easy nts Uploaded: 23 Aug 2026

Which of the following describes FTP?

  • A A protocol for video calls
  • B A protocol for browsing webpages
  • C A protocol for sending emails
  • D A protocol used for transferring files between computers
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456
Medium css Uploaded: 13 Aug 2026

Which company developed the first web browser?

  • A Apple
  • B Google
  • C CERN
  • D Microsoft
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457
Medium pms Uploaded: 07 Aug 2026

What is the shortcut key to copy selected text?

  • A Ctrl+X
  • B Ctrl+Z
  • C Ctrl+C
  • D Ctrl+V
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458
Hard ppsc Uploaded: 09 Aug 2026

What is the function of 'cache memory'?

  • A Provide internet access
  • B Display graphics
  • C Permanently store files
  • D Store frequently accessed data for quick access
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459
Hard pms Uploaded: 13 Aug 2026

What is pseudocode?

  • A Actual executable code
  • B A hardware design
  • C A type of malware
  • D An informal high-level description of an algorithm
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460
Easy fpsc Uploaded: 23 Aug 2026

Which of the following is the latest stable major version series of Windows as of 2026?

  • A Windows 11
  • B Windows Vista
  • C Windows XP
  • D Windows 8
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