GATE | GATE-CS-2017 (Set 2) | Question 46

Consider the set of processes with arrival time(in milliseconds), CPU burst time (in milliseconds), and priority(0 is the highest priority) shown below. None of the processes have I/O burst time.

The average waiting time (in milliseconds) of all the processes using preemptive priority scheduling algorithm is ____.

Note: This question appeared as Numerical Answer Type.
(A) 29
(B) 30
(C) 31
(D) 32

Answer: (A)
Explanation:

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