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GATE | GATE-CS-2002 | Question 22

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Which of the following scheduling algorithms is non-preemptive?

(A)

Round Robin

(B)

First-In First-Out

(C)

Multilevel Queue Scheduling

(D)

Multilevel Queue Scheduling with Feedback


Answer: (B)

Explanation:

Round Robin – Preemption takes place when the time quantum expires First In First Out – No Preemption, the process once started completes before the other process takes over Multi Level Queue Scheduling – Preemption takes place when a process of higher priority arrives Multi Level Queue Scheduling with Feedback – Preemption takes a place when process of higher priority arrives or when the quantum of high priority queue expires and we need to move the process to low priority queue   So, B is the correct choice.  


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Last Updated : 28 Jun, 2021
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