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STQC-NIELIT STA 2021
November 27, 2023
UGC NET CS 2011 June-Paper-2
November 27, 2023
STQC-NIELIT STA 2021
November 27, 2023
UGC NET CS 2011 June-Paper-2
November 27, 2023

NTA 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?

A
3 ms
B
3.67 ms
C
4.47 ms
D
4 ms
Correct Answer: B

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