CPU Scheduling Questions

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21.

What is Dispatch latency?

A

the speed of dispatching a process from running to the ready state

B

the time of dispatching a process from running to ready state and keeping the CPU idle

C

the time to stop one process and start running another one

D

none of the mentioned

Correct Answer: C

None.

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22.

Scheduling is done so as to ____________

A

increase CPU utilization

B

decrease CPU utilization

C

keep the CPU more idle

D

none of the mentioned

Correct Answer: A

None.

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23.

Scheduling is done so as to ____________

A

increase the throughput

B

decrease the throughput

C

increase the duration of a specific amount of work

D

none of the mentioned

Correct Answer: A

None.

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24.

What is Turnaround time?

A

the total waiting time for a process to finish execution

B

the total time spent in the ready queue

C

the total time spent in the running queue

D

the total time from the completion till the submission of a process

Correct Answer: D

None.

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25.

Scheduling is done so as to ____________

A

increase the turnaround time

B

decrease the turnaround time

C

keep the turnaround time same

D

there is no relation between scheduling and turnaround time

Correct Answer: B

None.

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26.

What is Waiting time?

A

the total time in the blocked and waiting queues

B

the total time spent in the ready queue

C

the total time spent in the running queue

D

the total time from the completion till the submission of a process

Correct Answer: B

None.

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27.

Scheduling is done so as to ____________

A

increase the waiting time

B

keep the waiting time the same

C

decrease the waiting time

D

none of the mentioned

Correct Answer: C

None.

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28.

What is Response time?

A

the total time taken from the submission time till the completion time

B

the total time taken from the submission time till the first response is produced

C

the total time taken from submission time till the response is output

D

none of the mentioned

Correct Answer: B

None.

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29.

Round robin scheduling falls under the category of ____________

A

Non-preemptive scheduling

B

Preemptive scheduling

C

All of the mentioned

D

None of the mentioned

Correct Answer: B

None.

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30.

With round robin scheduling algorithm in a time shared system ____________

A

using very large time slices converts it into First come First served scheduling algorithm

B

using very small time slices converts it into First come First served scheduling algorithm

C

using extremely small time slices increases performance

D

using very small time slices converts it into Shortest Job First algorithm

Correct Answer: A

All the processes will be able to get completed.

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