GATE - 1999 | OS | Which of the following disk scheduling strategies is likely to give the

GATE - 1999 | OS | Which of the following disk scheduling strategies is likely to give the
Posted on 27-02-2022

GATE - 1999 [Operating System]

Questions:

Which of the following disk scheduling strategies is likely to give the best through put?

A

Farthest cylinder next

B

Nearest cylinder next

C

First come first served

D

Elevator algorithm

   

Solution:

Option (B) is Correct.

Farthest cylinder next - Longest job first
Nearest cylinder next - SSTF
First come first served - FCFS
Elevator - SCAN
SSTF always serves the request of nearest cylinder first. Due to which the necessary movement gets reduced.

 

Thank You

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