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GATE 2024 Operating System Foundation Quiz 11

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Question 1

Above process arrive in the order P1, P2, P3 and are served in FCFS order. Then average waiting time is [approximate answer]:

Question 2

Suppose there is a system operating upon round-robin scheduling, If e denotes time that is been needed to do a process switch and if w denotes round-robin time quantum and if n denotes average time that a process is required to run before blocking on I/O. Then tell the Central processing unit (CPU) efficiency under following circumstances. when w = ∞

Question 3

RR scheduler maintains larger quantum then choose the wrong statement from the following.

Question 4

Which of the following reduces degree of multi-programming?

Question 5

Consider the following table

Process	P1	P2	P3	P4
Arrival Time	0	1	2	3
Service Time	6	3	1	4

Find the average turnaround time when processes are scheduled with SRTF

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GATE & PSU CS Operating System

Mar 23GATE & PSU CS