Answer - the utilization of the resource is low Explanation - Average Flow Time

Question

Answer - the utilization of the resource is low

Explanation-

Average Flow Time = Total flow time/ Total number of jobs

Short processing time- The job that takes less time for the process is done first.

First come, first served (FIFO)- The orders that are first received are processed first.

Job time = waiting time + job time

When the average flow time is less, the chosen rule is efficient. The difference in the average flow time in the SPT and FIFO is greatest when the utilization of the resource is low. In reality, there may be orders received after the processing has started and the equipments or machines or other resources used for processing might be low. In this case, the difference in the average flow time between SPT and FIFO is highest. Hence it is important that the organization maintain its resources at the best capacity as possible to have minimum average flow time for both SPT and FIFO.

Explanation / Answer

The difference in the average flow time between Shortest Processing Time and First Come First Serve is greatest when: all of the jobs have the same processing times. the utilization of the resource is low. there are many jobs waiting to be processed at the resource. jobs arrive in increasing order of their processing times. The difference in the average flow time between Shortest Processing Time and First Come First Serve is greatest when: all of the jobs have the same processing times. the utilization of the resource is low. there are many jobs waiting to be processed at the resource. jobs arrive in increasing order of their processing times.

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