GATE | GATE CS Mock 2018 | Question 16

Consider the following CPU processes with arrival times (in milliseconds) and length of CPU bursts (in milliseconds) except for process P4 as given below:

Process	Arrival Time	Burst Time
P1	   0	          5
P2	   1	          1
P3	   3	          3
P4	   4	          x

If the average waiting time across all processes is 2 milliseconds and pre-emptive shortest remaining time first scheduling algorithm is used to schedule the processes, then find the value of x ?

(A)

(B)

(C)

(D)

None of these

Answer

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