STQC-NIELIT STA 2021
November 27, 2023UGC NET CS 2011 June-Paper-2
November 27, 2023NTA UGC NET JUNE-2023 Paper-2
| Question 99 |
Consider the following table of arrival time and burst time for three processes PO,P1,P2:
| Process | Arrival time | Burst time |
| P0 | 0 ms | 7 |
| P1 | 1 ms | 3 |
| P2 | 2 ms | 7 |
The pre-emptive shortest job first scheduling algorithm is used. Scheduling is carried out only at arrival or completion of a process. What is the average waiting time for the three processes?
| 3 ms | |
| 3.67 ms | |
| 4.47 ms | |
| 4 ms |
Correct Answer: B