Multiple choice

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

Process Arrival Time Time units Requied
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

  1. FCFS: P1, P2, P3 RR2: P1, P2, P3

  2. FCFS: P1, P3, P2 RR2: P1, P3, P2

  3. FCFS: P1, P2, P3 RR2: P1, P3, P2

  4. FCFS: P1, P3, P2 RR2: P1, P2, P3

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C Correct answer
Explanation