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Data-Structures
October 4, 2023UGC NET CS 2005 june-paper-2
October 4, 2023Nielit Scentist-B [02-12-2018]
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Question 32
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Identify the true statement from the given statements
(1) FIFO is non preemptive
(2) Round robin is non preemptive
(3) Multilevel queue scheduling is non preemptive
(1) FIFO is non preemptive
(2) Round robin is non preemptive
(3) Multilevel queue scheduling is non preemptive
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(1)
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(1) and (2)
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(1),(2) and (3)
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(2)
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Question 32 Explanation:
Nonpreemptive Scheduling
A scheduling discipline is nonpreemptive if, once a process has been given the CPU, the CPU cannot be taken away from that process.
Eg: FIFO→ Non preemptive
Preemptive Scheduling
A scheduling discipline is preemptive if, once a process has been given the CPU can taken away.
Eg: Round robin is preemptive
Multilevel queue scheduling is preemptive
Priority,SRTF,Multilevel feedback scheduling is preemptive
A scheduling discipline is nonpreemptive if, once a process has been given the CPU, the CPU cannot be taken away from that process.
Eg: FIFO→ Non preemptive
Preemptive Scheduling
A scheduling discipline is preemptive if, once a process has been given the CPU can taken away.
Eg: Round robin is preemptive
Multilevel queue scheduling is preemptive
Priority,SRTF,Multilevel feedback scheduling is preemptive
Correct Answer: A
Question 32 Explanation:
Nonpreemptive Scheduling
A scheduling discipline is nonpreemptive if, once a process has been given the CPU, the CPU cannot be taken away from that process.
Eg: FIFO→ Non preemptive
Preemptive Scheduling
A scheduling discipline is preemptive if, once a process has been given the CPU can taken away.
Eg: Round robin is preemptive
Multilevel queue scheduling is preemptive
Priority,SRTF,Multilevel feedback scheduling is preemptive
A scheduling discipline is nonpreemptive if, once a process has been given the CPU, the CPU cannot be taken away from that process.
Eg: FIFO→ Non preemptive
Preemptive Scheduling
A scheduling discipline is preemptive if, once a process has been given the CPU can taken away.
Eg: Round robin is preemptive
Multilevel queue scheduling is preemptive
Priority,SRTF,Multilevel feedback scheduling is preemptive
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