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GATE | GATE CS 2019 | Question 50

Consider the following four processes with arrival times (in milliseconds) and their length of CPU burst (in milliseconds) as shown below:

These processes are run on a single processor using preemptive Shortest Remaining Time First scheduling algorithm. If the average waiting time of the processes is 1 millisecond, then the value of Z is __________. Note: This was Numerical Type question.

(A)

2

(B)

3

(C)

1

(D)

4

Answer

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