📚 Question Bank Q41 — Operating Systems
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Operating Systems
Q41. Marks: +2.0 UGC NET Paper 2: Computer Science17th June 2023

Consider the following table of arrival time and burst time for three processes P0, 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? 

1.3 ms 
2.3.67 ms ✓ Correct
3.4.47 ms 
4.4 ms
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