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CSS MCQs

Civil Superior Services — Complete MCQ Bank

1,970 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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551
Computer Science Medium Uploaded: 13 Aug 2026

What is ransomware?

  • AA backup tool
  • BMalware that locks data and demands payment
  • CAn antivirus program
  • DFree software
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Computer Science Easy Uploaded: 13 Aug 2026

What is social engineering in cybersecurity?

  • AA hardware design technique
  • BManipulating people into revealing confidential information
  • CA network protocol
  • DA type of encryption
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Computer Science Easy Uploaded: 13 Aug 2026

Which of the following is a feature of OOP?

  • AGlobal variables only
  • BEncapsulation
  • CSequential execution only
  • DNo reusability
554
Computer Science Easy Uploaded: 13 Aug 2026

Convert binary 1010 to decimal.

  • A8
  • B10
  • C12
  • D14
555
Computer Science Hard Uploaded: 13 Aug 2026

Which number system has a base of 8?

  • AHexadecimal
  • BDecimal
  • COctal
  • DBinary
556
Computer Science Medium Uploaded: 13 Aug 2026

Which company developed the first web browser?

  • AApple
  • BGoogle
  • CCERN
  • DMicrosoft
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Computer Science Medium Uploaded: 13 Aug 2026

Who founded Microsoft?

  • ASteve Jobs
  • BBill Gates
  • CLarry Page
  • DMark Zuckerberg
558
Computer Science Medium Uploaded: 13 Aug 2026

Which of the following best describes 'hashing' in computer science?

  • AEncrypting data reversibly
  • BConverting data into a fixed-size value using a function
  • CBacking up data
  • DCompressing files
559
Islamic Studies Medium Uploaded: 11 Aug 2026

What is the term for analogical reasoning used to derive new rulings in Islamic law?

  • AIjma
  • BIjtihad
  • CQiyas
  • DFiqh
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Islamic Studies Medium Uploaded: 11 Aug 2026

Which pilgrimage performed by the Prophet (PBUH) in 10 AH is known as the Farewell Pilgrimage?

  • AGhazwa-e-Tabuk
  • BUmrat-ul-Qada
  • CFath Makkah
  • DHajjat-ul-Wida