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Que. 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
Answer:FCFS: P1, P2, P3 RR2: P1, P3, P2
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