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pairs of scheduling criteria

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Discuss how the following pairs of scheduling criteria conflict in certain settings:

a) CPU utilization and response time
b) average turnaround time and maximum waiting time
c) I/O device utilization and CPU utilization.

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Solution Summary

Conflicts of pairs of scheduling criteria are noted.

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scheduling criteria - Operating Systems
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Discuss how the following pairs of scheduling criteria conflict in certain settings:

a) CPU utilization and response time
b) average turnaround time and maximum waiting time
c) I/O device utilization and CPU utilization

 CPU utilization - keep the CPU as busy as possible
 Throughput - # of processes that complete their execution
per time unit
 Turnaround time - amount of time to execute a particular
process
 Waiting time - amount of time a process has been waiting
in the ready queue
 Response time - amount of time it takes from when a
request was submitted until the first response is produced,
not output (for time-sharing environment)

cpu utilization: how busy is the cpu -- don't want it idle, or
otherwise wasting ...

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