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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

6 Questions
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Strengthen your knowledge of computer fundamentals, hardware, software, programming, networks, databases and information technology.

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1
Hard css pms

Which algorithm technique divides a problem into smaller subproblems?

  • A Greedy
  • B Divide and Conquer
  • C Brute Force
  • D Backtracking
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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
2
Hard css pms

Which normal form eliminates transitive dependencies?

  • A First Normal Form
  • B Second Normal Form
  • C Third Normal Form
  • D Boyce-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
3
Hard css pms

Which programming paradigm focuses on functions and immutability?

  • A Procedural Programming
  • B Object-Oriented Programming
  • C Functional Programming
  • D Assembly Programming
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Correct Answer: Option C — Functional Programming
Explanation: Functional programming emphasizes pure functions, immutability, and declarative problem solving.
Submitted by: PaperMCQs
4
Hard css fpsc

What is a deadlock in an operating system?

  • A A memory leak
  • B A security attack
  • C A situation where processes wait indefinitely for resources
  • D A file corruption error
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Correct Answer: Option C — A situation where processes wait indefinitely for resources
Explanation: Deadlock occurs when processes are permanently blocked waiting for resources held by one another.
Submitted by: PaperMCQs
5
Hard css pms

Which topology provides the highest fault tolerance?

  • A Bus
  • B Star
  • C Ring
  • D Mesh
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Correct Answer: Option D — Mesh
Explanation: Mesh topology offers multiple communication paths between nodes, providing excellent redundancy and fault tolerance.
Submitted by: PaperMCQs
6
Hard css fpsc

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

  • A Bubble Sort
  • B Dijkstra's Algorithm
  • C Binary Search
  • D Depth First Search
Permalink
Correct Answer: Option B — Dijkstra's Algorithm
Explanation: Dijkstra's Algorithm finds shortest paths in weighted graphs with non-negative edge weights and is widely used in navigation systems.
Submitted by: PaperMCQs
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