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CSS MCQs

Civil Superior Services — Complete MCQ Bank

145 Questions
Exam Preparation Guide

How to prepare for CSS

CSS is Pakistan’s premier federal competitive examination. Strong preparation requires conceptual clarity, broad general knowledge and consistent practice across compulsory and optional areas.

Pakistan AffairsCurrent AffairsEnglishEveryday Science
Combine daily MCQ practice with analytical reading, vocabulary building and regular revision of national and international affairs.
CSS preparation illustration
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Computer Science Medium Uploaded: 07 Aug 2026

What is the main function of a computer's cache memory?

  • APermanently store operating system files
  • BSpeed up data access between CPU and main memory
  • CDisplay graphics on the monitor
  • DIncrease the size of the hard drive
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Computer Science Medium Uploaded: 07 Aug 2026

In computer networks, what does the term 'bandwidth' refer to?

  • AThe number of connected devices
  • BThe maximum data transfer rate of a network
  • CThe color of network cables
  • DThe physical length of a cable
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Computer Science Medium Uploaded: 07 Aug 2026

Which design pattern ensures a class has only one instance?

  • AFactory
  • BSingleton
  • CObserver
  • DAdapter
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Computer Science Medium Uploaded: 07 Aug 2026

Which scheduling algorithm can lead to starvation?

  • AShortest Job First without priority handling correctly is arguable, but choose SJF
  • BRound Robin
  • CPriority Scheduling
  • DFirst Come First Serve
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Computer Science Medium Uploaded: 07 Aug 2026

What is the main advantage of using a linked list over an array?

  • ADynamic size allocation
  • BFaster random access
  • CLess memory usage always
  • DSimpler syntax
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Computer Science Medium Uploaded: 07 Aug 2026

Which sorting algorithm has the best average-case time complexity among these?

  • ASelection Sort
  • BBubble Sort
  • CQuick Sort
  • DInsertion Sort
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Computer Science Easy Uploaded: 07 Aug 2026

Which data structure uses LIFO order?

  • AStack
  • BQueue
  • CLinked List
  • DArray
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Computer Science Medium Uploaded: 07 Aug 2026

Which of these is a social media platform?

  • AAdobe Photoshop
  • BVLC Media Player
  • CMS Word
  • DFacebook
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Computer Science Easy Uploaded: 07 Aug 2026

A computer virus is a type of?

  • AHardware device
  • BOperating system
  • CProgramming language
  • DMalicious software
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Computer Science Hard Uploaded: 07 Aug 2026

Which of these is a valid file extension for an image?

  • A.doc
  • B.jpg
  • C.mp3
  • D.exe