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Question 7Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

In FCFS scheduling, the average waiting time is affected most by:

  1. Aprocess priority
  2. Bpreemption
  3. Cthe arrival order of processes
  4. DCPU clock speed
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Correct answer: (C) the arrival order of processes

Explanation

FCFS runs processes strictly in arrival order, so if a long process arrives first, every later process waits behind it (the convoy effect). The order of arrival therefore decides the average waiting time.

From DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

This is question 7 of DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.