Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Operating Systems CPU Scheduling Process Scheduling
Comprehension Passage
Consider the workload in the following table
|
Process |
Service Time |
Priority |
Arrival Time |
|
P1 |
10 |
2 |
0 |
|
P2 |
1 |
3 |
1 |
|
P3 |
4 |
4 |
2 |
|
P4 |
4 |
1 |
4 |
What is the average waiting time of processes in this schedule? (Assume Pre-emptive priority scheduling policy, further assume lower number represents higher priority).
1
3.0
2
6.5
3
7.5
4
10.25