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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

129 Questions Subject Test
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121
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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122
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
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123
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
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124
Hard pms Uploaded: 23 Aug 2026

Which of the following is a server-side scripting language?

  • A JavaScript
  • B CSS
  • C PHP
  • D HTML
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125
Hard pms Uploaded: 07 Aug 2026

Which of the following is used to connect a computer to the internet wirelessly?

  • A USB Cable
  • B Wi-Fi
  • C Ethernet Cable
  • D HDMI Cable
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126
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
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127
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
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128
Easy pms Uploaded: 23 Aug 2026

What does SEO stand for?

  • A System Engine Optimization
  • B Search Engine Operation
  • C Software Engine Optimization
  • D Search Engine Optimization
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129
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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