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CSS MCQs

Civil Superior Services — Complete MCQ Bank

1,939 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.

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Combine daily MCQ practice with analytical reading, vocabulary building and regular revision of national and international affairs.
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Which programming paradigm focuses on functions and immutability?

  • AProcedural Programming
  • BObject-Oriented Programming
  • CFunctional Programming
  • DAssembly Programming
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Computer Science Medium Uploaded: 20 Jun 2026

What is the purpose of a foreign key?

  • AStore passwords
  • BIdentify duplicate records
  • CCreate relationships between tables
  • DEncrypt database contents
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Computer Science Medium Uploaded: 20 Jun 2026

Which of the following is a NoSQL database?

  • AOracle
  • BMySQL
  • CMongoDB
  • DPostgreSQL
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Computer Science Hard Uploaded: 20 Jun 2026

What is a deadlock in an operating system?

  • AA memory leak
  • BA security attack
  • CA situation where processes wait indefinitely for resources
  • DA file corruption error
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Computer Science Medium Uploaded: 20 Jun 2026

What is the purpose of an index in a database?

  • AReduce security
  • BImprove query performance
  • CStore backups
  • DEncrypt records
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Computer Science Hard Uploaded: 20 Jun 2026

Which topology provides the highest fault tolerance?

  • ABus
  • BStar
  • CRing
  • DMesh
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Computer Science Medium Uploaded: 20 Jun 2026

Which memory is fastest among the following?

  • AHard Disk
  • BRAM
  • CCache Memory
  • DROM
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Computer Science Hard Uploaded: 20 Jun 2026

Which algorithm is commonly used to find the shortest path in a weighted graph?

  • ABubble Sort
  • BDijkstra's Algorithm
  • CBinary Search
  • DDepth First Search
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Computer Science Medium Uploaded: 20 Jun 2026

What is polymorphism in object-oriented programming?

  • AData hiding
  • BAbility of an object to take multiple forms
  • CMemory allocation
  • DDatabase indexing
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Computer Science Medium Uploaded: 20 Jun 2026

Which OSI layer is responsible for end-to-end communication?

  • ANetwork Layer
  • BData Link Layer
  • CTransport Layer
  • DSession Layer