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CSS MCQs

Civil Superior Services — Complete MCQ Bank

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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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1891
Computer Science Medium Uploaded: 20 Jun 2026

What is the primary purpose of normalization in relational databases?

  • AIncrease redundancy
  • BReduce redundancy
  • CIncrease storage space
  • DImprove graphics rendering
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1892
Computer Science Medium Uploaded: 20 Jun 2026

Which data structure is most suitable for implementing recursion?

  • AQueue
  • BArray
  • CStack
  • DHeap
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1893
Computer Science Medium Uploaded: 20 Jun 2026

What is the purpose of a firewall?

  • AIncrease processor speed
  • BProtect networks from unauthorized access
  • CStore files permanently
  • DCompress data
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1894
Computer Science Medium Uploaded: 20 Jun 2026

What is encapsulation in object-oriented programming?

  • ACombining data and methods into a single unit
  • BCreating multiple classes
  • CExecuting parallel processes
  • DAllocating memory dynamically
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1895
Computer Science Medium Uploaded: 20 Jun 2026

What is the time complexity of Binary Search in the worst case?

  • AO(n)
  • BO(log n)
  • CO(n²)
  • DO(1)
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1896
Computer Science Medium Uploaded: 20 Jun 2026

Which layer of the OSI model is responsible for routing packets?

  • ATransport Layer
  • BNetwork Layer
  • CSession Layer
  • DPresentation Layer
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1897
Computer Science Medium Uploaded: 20 Jun 2026

Which data structure follows the Last In First Out (LIFO) principle?

  • AQueue
  • BArray
  • CStack
  • DLinked List
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1898
Islamic Studies Easy Uploaded: 20 Jun 2026

Which city became the first capital of the Islamic state after Hijrah?

  • ATaif
  • BMakkah
  • CMadinah
  • DJerusalem
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1899
Islamic Studies Easy Uploaded: 20 Jun 2026

What is the Arabic term for compulsory charity in Islam?

  • ASadaqah
  • BZakat
  • CFitrana
  • DKhairat
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1900
Islamic Studies Easy Uploaded: 20 Jun 2026

Which angel brought revelations to the Prophet Muhammad (PBUH)?

  • AMikail (AS)
  • BIsrafil (AS)
  • CJibreel (AS)
  • DIzrail (AS)
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