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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
81
Medium nts Uploaded: 23 Aug 2026

Which file format is commonly used for images with transparency?

  • A PNG
  • B BMP
  • C GIF
  • D JPEG
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82
Hard css pms Uploaded: 20 Jun 2026

Which topology provides the highest fault tolerance?

  • A Bus
  • B Star
  • C Ring
  • D Mesh
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83
Medium nts Uploaded: 23 Aug 2026

What is a computer network protocol?

  • A A database structure
  • B A type of hardware device
  • C A set of rules governing data communication
  • D A programming language
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84
Medium nts Uploaded: 13 Aug 2026

What is a compiler?

  • A A hardware device
  • B A program that translates source code into machine code
  • C A network device
  • D A type of database
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85
Easy ppsc Uploaded: 07 Aug 2026

Which of the following is an input device?

  • A Monitor
  • B Printer
  • C Speaker
  • D Keyboard
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86
Easy fpsc Uploaded: 09 Aug 2026

Which of the following is a common cybersecurity practice?

  • A Ignoring software updates
  • B Using strong, unique passwords
  • C Disabling firewalls
  • D Sharing passwords openly
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87
Easy css Uploaded: 13 Aug 2026

Which MS Office application is used for spreadsheets?

  • A Excel
  • B Word
  • C Access
  • D PowerPoint
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88
Medium css Uploaded: 23 Aug 2026

What is the function of a proxy server?

  • A To display graphics
  • B To manage printers
  • C To store permanent files
  • D To act as an intermediary between client and server
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89
Easy fpsc ppsc nts Uploaded: 18 Jun 2026

What does RAM stand for?

  • A Random Access Memory
  • B Read Access Memory
  • C Rapid Access Memory
  • D Random Application Memory
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90
Easy nts Uploaded: 20 Jun 2026

Which Excel function returns the highest value in a range?

  • A MIN()
  • B TOP()
  • C MAX()
  • D HIGH()
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91
Easy nts Uploaded: 09 Aug 2026

What is the shortcut key to copy in Windows?

  • A Ctrl+X
  • B Ctrl+C
  • C Ctrl+V
  • D Ctrl+Z
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92
Easy ppsc Uploaded: 13 Aug 2026

What does USB stand for?

  • A Universal Serial Bus
  • B United System Bus
  • C United Serial Bus
  • D Universal System Bus
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93
Easy ppsc Uploaded: 07 Aug 2026

What is the time complexity of binary search on a sorted array?

  • A O(log n)
  • B O(1)
  • C O(n)
  • D O(n^2)
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94
Medium css Uploaded: 23 Aug 2026

Which protocol is used for transferring web pages?

  • A SMTP
  • B HTTP
  • C TCP
  • D FTP
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95
Easy ppsc nts Uploaded: 20 Jun 2026

Which SQL command is used to retrieve data from a database?

  • A INSERT
  • B UPDATE
  • C SELECT
  • D DELETE
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96
Medium css Uploaded: 13 Aug 2026

What is a Trojan horse in computing?

  • A A type of firewall
  • B A network cable
  • C A useful software tool
  • D Malware disguised as legitimate software
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97
Medium fpsc Uploaded: 23 Aug 2026

Which of the following is a popular IDE for Python development?

  • A PyCharm
  • B AutoCAD
  • C Illustrator
  • D Photoshop
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98
Easy ppsc nts Uploaded: 20 Jun 2026

Which Excel feature is used to display only records matching specific criteria?

  • A Sort
  • B Filter
  • C Freeze Panes
  • D Conditional Formatting
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99
Hard nts Uploaded: 09 Aug 2026

What is the function of an operating system's kernel?

  • A Design user interfaces
  • B Store internet history
  • C Manage hardware resources directly
  • D Compress files
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100
Medium nts Uploaded: 13 Aug 2026

What is an array?

  • A A network device
  • B A single variable
  • C A type of loop
  • D A collection of elements of the same type stored in contiguous memory
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