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Que. 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 minimize 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
Answer:J3 J4 J2 J1
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