Gate CS-2019 Question Paper With Solutions

Q. 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: (A)


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