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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

77 Questions Subject Test
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61
Medium pms Uploaded: 13 Aug 2026

What is responsive web design?

  • A Design that works only on desktops
  • B A network protocol
  • C A type of database design
  • D Design that adapts to different screen sizes and devices
62
Medium css pms fpsc ppsc nts Uploaded: 01 Jul 2026

What is the full form of "NLP" in Artificial Intelligence and Computer Science?

  • A Numeric Learning Program
  • B Network Layer Protocol
  • C Neural Logic Processing
  • D Natural Language Processing
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Medium pms Uploaded: 07 Aug 2026

The smallest unit of data in a computer is called?

  • A Nibble
  • B Bit
  • C Byte
  • D Word
64
Medium css pms fpsc ppsc nts Uploaded: 22 Jun 2026

What is the default port number for HTTPS?

  • A 21
  • B 25
  • C 80
  • D 443
65
Medium pms Uploaded: 09 Aug 2026

What is the function of a compiler?

  • A Manage memory
  • B Store data
  • C Connect to internet
  • D Convert source code to machine code
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Medium css pms Uploaded: 20 Jun 2026

What is encapsulation in object-oriented programming?

  • A Combining data and methods into a single unit
  • B Creating multiple classes
  • C Executing parallel processes
  • D Allocating memory dynamically
67
Medium pms Uploaded: 13 Aug 2026

Which of the following is an example of secondary storage?

  • A RAM
  • B Register
  • C Hard Disk
  • D Cache
68
Medium pms Uploaded: 23 Aug 2026

What is a hyperlink?

  • A A database key
  • B A clickable link that navigates to another resource
  • C A hardware component
  • D A type of virus
69
Medium pms Uploaded: 13 Aug 2026

How many bits does Unicode UTF-16 typically use per character?

  • A 32
  • B 16
  • C 8
  • D 64
70
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Which sorting algorithm generally provides the best average-case performance for large datasets?

  • A Quick Sort
  • B Merge Sort
  • C Bubble Sort
  • D Selection Sort
71
Medium pms Uploaded: 13 Aug 2026

Which port is commonly used to connect a printer?

  • A USB
  • B Ethernet
  • C VGA
  • D HDMI
72
Medium pms Uploaded: 07 Aug 2026

What is the base of the hexadecimal number system?

  • A 16
  • B 8
  • C 10
  • D 2
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Medium pms Uploaded: 09 Aug 2026

What is the main function of a switch in networking?

  • A Store data
  • B Compress files
  • C Provide internet access
  • D Connect devices within a LAN
74
Medium pms Uploaded: 23 Aug 2026

What is the full form of CPU?

  • A Central Program Unit
  • B Computer Processing Unit
  • C Central Processing Unit
  • D Control Processing Unit
75
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

What type of communication occurs between a computer and a keyboard?

  • A Full-Duplex
  • B Simplex
  • C Half-Duplex
  • D Multiplex
76
Medium pms Uploaded: 23 Aug 2026

What is inheritance in object-oriented programming?

  • A A type of variable
  • B A class acquiring properties of another class
  • C A database key
  • D A type of loop
77
Medium pms Uploaded: 13 Aug 2026

What is a formula in Excel typically preceded by?

  • A A colon
  • B A question mark
  • C An equal sign
  • D A semicolon
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