Computers and Technology, 16.03.2020 19:37 fruitsnaxFTW1079

Discuss how the following pairs of scheduling criteria conflict in certain settings. a. CPU utilization (efficiency) and response timeb. Average turnaround time and maximum waiting timec. I/O device utilization and CPU utilization g

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Answer from: nikkio4

CPU utilization (efficiency) and response timeb. Average turnaround time and maximum waiting timec. I/O device utilization and CPU utilization g

Explanation:

1. CPU utilization (efficiency) and response time

CPU utilization could be maximized by reducing the context switching. Context switching is the switching of one task by CPU by avoiding the conflict. The context switching could be minimized by doing less context switching meanwhile the processing. When the context switching is minimum then the response time will be maximum.

Minimum context switching > Maximum CPU utilization

Minimum switching of the CPU bound tasks could maximize the CPU utilization

CPU utilization is very important for the performance of the multitasking. WE could perform the multi tasking if the CPU utilization is maximum, Memory is free and i/o devices are available for the usage.

2.Average turnaround time and maximum waiting time

Average turnaround time could be reduced by executing the shortest job first. By using the scheduling policy we make it possible that the short and less time taking task will be performed first by in this way the long run task has to wait a lot.

Shortest Job First> Reduce the average turnaround time

SJF= Shortest job will be executed first

SJF= long job need to wait for the longer time which will increase the waiting time

3.I/O device utilization and CPU utilization

CPU utilization could be maximized by performing the CPU bound task first without doing the context switching.

CPU maximum utilization= Run long running CPU bound tasks without the context switching.

I/O devices utilization could be maximized by doing the I/O bound tasks as soon as they are ready to run by keeping the context of context switching as well.

maximum I/O utilization= Run I/O bound device first when they ready to run by keeping the context switching on the board

Answer from: Quest

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Answer from: Quest

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Discuss how the following pairs of scheduling criteria conflict in certain settings. a. CPU utilizat...

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