Operating Systems · Question 1 · Easy

Which CPU scheduling algorithm is most prone to the convoy effect, where short processes wait behind one long process?

  1. Round Robin
  2. First-Come, First-Served (FCFS)
  3. Shortest Remaining Time First
  4. Priority scheduling with aging
Answer and explanation

Answer: B. First-Come, First-Served (FCFS)

Explanation: In FCFS, one long CPU-bound process at the head of the queue makes every short process behind it wait. This is the convoy effect.

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