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Data-Structures
October 4, 2023
UGC NET CS 2005 june-paper-2
October 4, 2023
Data-Structures
October 4, 2023
UGC NET CS 2005 june-paper-2
October 4, 2023

Nielit Scentist-B [02-12-2018]

Question 32
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
A
(1)
B
(1) and (2)
C
(1),(2) and (3)
D
(2)
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
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
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