UGC NET CS 2008 Dec-Paper-2

Question 8

Four jobs J₁, J₂, J₃ and J₄ are waiting to be run. Their expected run times are 9, 6, 3 and 5 respectively. In order to minimise average response time, the jobs should be run in the order:

A	J₁ J₂ J₃ J₄
B	J₄ J₃ J₂ J₁
C	J₃ J₄ J₁ J₂
D	J₃ J₄ J₂ J₁

Operating-SystemsProcess-Scheduling

Question 8 Explanation:

Since arrival time is not given assume arrival time of each process as”0″
Option (A):

Correct Answer: D

Question 8 Explanation:

Since arrival time is not given assume arrival time of each process as”0″
Option (A):