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Que. Five jobs A, B, C, D and E are waiting in Ready Queue. Their expected runtimes are 9, 6, 3, 5 and x respectively. All jobs entered in Ready queue at time zero. They must run in ............. order to minimize average response time if 3 < x < 5.
a. B, A, D, E, C
b. C, E, D, B, A
c. E, D, C, B, A
d. C, B, A, E, D
Answer:C, E, D, B, A
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