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CSS MCQs

Civil Superior Services — Complete MCQ Bank

899 Questions
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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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831
Computer Science Hard

Which algorithm technique divides a problem into smaller subproblems?

  • AGreedy
  • BDivide and Conquer
  • CBrute Force
  • DBacktracking
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Correct Answer: Option B — Divide and Conquer
Explanation: Divide and Conquer breaks a problem into smaller parts, solves them independently, and combines results.
Submitted by: PaperMCQs
832
Computer Science Medium

Which layer of OSI handles physical transmission of bits?

  • ANetwork
  • BTransport
  • CPhysical
  • DSession
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Correct Answer: Option C — Physical
Explanation: The Physical Layer is responsible for transmitting raw bits over communication channels.
Submitted by: PaperMCQs
833
Computer Science Medium

Which programming language is primarily used for Android development?

  • ASwift
  • BKotlin
  • CRuby
  • DPHP
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Correct Answer: Option B — Kotlin
Explanation: Kotlin is Google's preferred language for Android app development because of its modern syntax and safety features.
Submitted by: PaperMCQs
834
Computer Science Medium

Which protocol is used to securely transfer files over SSH?

  • AFTP
  • BTFTP
  • CSFTP
  • DSMTP
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Correct Answer: Option C — SFTP
Explanation: SFTP operates over SSH and provides encrypted file transfer capabilities, making it more secure than traditional FTP for transmitting sensitive data.
Submitted by: PaperMCQs
835
Computer Science Medium

Which Excel chart is best for showing trends over time?

  • APie Chart
  • BLine Chart
  • CScatter Plot
  • DRadar Chart
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Correct Answer: Option B — Line Chart
Explanation: Line charts effectively display trends and changes across time periods, making them useful for analysis.
Submitted by: PaperMCQs
836
Computer Science Medium

What is a macro in MS Office?

  • ADatabase
  • BAutomated task sequence
  • CChart type
  • DNetwork protocol
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Correct Answer: Option B — Automated task sequence
Explanation: A macro automates repetitive tasks by storing commands and actions that can be replayed later.
Submitted by: PaperMCQs
837
Computer Science Medium

Which Excel reference remains fixed when copied?

  • ARelative Reference
  • BMixed Reference
  • CAbsolute Reference
  • DDynamic Reference
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Correct Answer: Option C — Absolute Reference
Explanation: Absolute references use dollar signs and do not change when formulas are copied to other cells.
Submitted by: PaperMCQs
838
Computer Science Medium

What does VLOOKUP do in Excel?

  • ACreates charts
  • BSearches values vertically
  • CDeletes rows
  • DSorts data
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Correct Answer: Option B — Searches values vertically
Explanation: VLOOKUP searches for a value in the first column of a table and returns related information from another column.
Submitted by: PaperMCQs
839
Computer Science Medium

Which software development model follows a sequential approach?

  • AAgile
  • BScrum
  • CWaterfall
  • DDevOps
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Correct Answer: Option C — Waterfall
Explanation: The Waterfall model progresses through defined phases in sequence and is suitable for stable requirements.
Submitted by: PaperMCQs
840
Computer Science Hard

Which normal form eliminates transitive dependencies?

  • AFirst Normal Form
  • BSecond Normal Form
  • CThird Normal Form
  • DBoyce-Codd Normal Form
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Correct Answer: Option C — Third Normal Form
Explanation: Third Normal Form removes transitive dependencies and improves database consistency.
Submitted by: PaperMCQs
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