Consider the following table of arrival time and burst time for three processes P0, P1 and P2.
Process Arrival time Burst Time
P0 0 ms 9 ms
P1 1 ms 4 ms
P2 2 ms 9 ms
The pre-emptive shortest job first scheduling algorithm is used. Scheduling is carried out only at arrival or completion of processes. What is the average waiting time for the three processes?
(A) 5.0 ms
(B) 4.33 ms
(C) 6.33
(D) 7.33
Answer: (A)
Explanation: See Question 4 of https://www.geeksforgeeks.org/operating-systems-set-6/
Watch GeeksforGeeks Video Explanation :
Quiz of this Question
Level Up Your GATE Prep!
Embark on a transformative journey towards GATE success by choosing
Data Science & AI as your second paper choice with our specialized course. If you find yourself lost in the vast landscape of the GATE syllabus, our program is the compass you need.
Last Updated :
22 Jul, 2021
Like Article
Save Article