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Gate2012_31

Consider the 3 processes, P1, P2 and P3 shown in the table.

Process Arrival
Time
Time Units
Required
P1 0 5
P2 1 7
P3 3 4

The completion order of the 3 processes under the policies FCFS and RR2 (round robin scheduling
with CPU quantum of 2 time units) are

(A) FCFS: P1, P2, P3  RR2: P1, P2, P3                    (B) FCFS: P1, P3, P2  RR2: P1, P3, P2
(C) FCFS: P1, P2, P3  RR2: P1, P3, P2                    (D) FCFS: P1, P3, P2  RR2: P1, P2, P3

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