Operating System Mcqs

Page No. 9

Process are classified into different groups in ____________


ashortest job scheduling algorithm

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bround robin scheduling algorithm

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cpriority scheduling algorithm

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dmultilevel queue scheduling algorithm

✓



Which algorithm is defined in Time quantum?


ashortest job scheduling algorithm

✖


bround robin scheduling algorithm

✓


cpriority scheduling algorithm

✖


dmultilevel queue scheduling algorithm

✖



In priority scheduling algorithm, when a process arrives at the ready queue, its priority is compared with the priority of ____________


aall process

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bcurrently running process

✓


cparent process

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dinit process

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In priority scheduling algorithm ____________


aCPU is allocated to the process with highest priority

✓


bCPU is allocated to the process with lowest priority

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cEqual priority processes can not be scheduled

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dNone of the mentioned

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Which scheduling algorithm allocates the CPU first to the process that requests the CPU first?


afirst-come, first-served scheduling

✓


bshortest job scheduling

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cpriority scheduling

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dnone of the mentioned

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The interval from the time of submission of a process to the time of completion is termed as ____________


awaiting time

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bturnaround time

✓


cresponse time

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dthroughput

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View Answer turnaround time

The processes that are residing in main memory and are ready and waiting to execute are kept on a list called _____________


ajob queue

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bready queue

✓


cexecution queue

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dprocess queue

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View Answer ready queue

Which module gives control of the CPU to the process selected by the short-term scheduler?


adispatcher

✓


binterrupt

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cscheduler

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dnone of the mentioned

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View Answer dispatcher

What is Response time?


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

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

✓


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

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dnone of the mentioned

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What is Waiting time?


athe total time in the blocked and waiting queues

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bthe total time spent in the ready queue

✓


cthe total time spent in the running queue

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

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