Operating System Mcqs

Page No. 9

Process are classified into different groups in ____________


ashortest job scheduling algorithm


bround robin scheduling algorithm


cpriority scheduling algorithm


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


bcurrently running process


cparent process


dinit process



In priority scheduling algorithm ____________


aCPU is allocated to the process with highest priority


bCPU is allocated to the process with lowest priority


cEqual priority processes can not be scheduled


dNone of the mentioned



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


afirst-come, first-served scheduling


bshortest job scheduling


cpriority scheduling


dnone of the mentioned



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


awaiting time


bturnaround time


cresponse time


dthroughput


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


bready queue


cexecution queue


dprocess queue


View Answer ready queue

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


adispatcher


binterrupt


cscheduler


dnone of the mentioned


View Answer dispatcher

What is Response time?


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


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


dnone of the mentioned



What is Waiting time?


athe total time in the blocked and waiting queues


bthe total time spent in the ready queue


cthe total time spent in the running queue


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



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