engineering recuitment ISRO Scientist Computer Science Mock Test Operating Systems CPU Scheduling Process Scheduling
Consider the 3 processes, P1, P2 and P3 shown in the table.
|
Process |
Arrival time |
Time unit 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
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