Operating System Mcqs

Page No. 37

Time duration required for scheduling dispatcher to stop one process and start another is known as ____________


aprocess latency

✖


bdispatch latency

✓


cexecution latency

✖


dinterrupt latency

✖


View Answer dispatch latency

The problem of priority inversion can be solved by ____________


apriority inheritance protocol

✓


bpriority inversion protocol

✖


cboth priority inheritance and inversion protocol

✖


dnone of the mentioned

✖



In which scheduling certain amount of CPU time is allocated to each process?


aearliest deadline first scheduling

✖


bproportional share scheduling

✓


cequal share scheduling

✖


dnone of the mentioned

✖



In rate monotonic scheduling ____________


ashorter duration job has higher priority

✓


blonger duration job has higher priority

✖


cpriority does not depend on the duration of the job

✖


dnone of the mentioned

✖



For real time operating systems, interrupt latency should be ____________


aminimal

✓


bmaximum

✖


czero

✖


ddependent on the scheduling

✖


View Answer minimal

Hard real time operating system has ______________ jitter than a soft real time operating system.


aless

✓


bmore

✖


cequal

✖


dnone of the mentioned

✖


View Answer less

In real time operating system ____________


aall processes have the same priority

✖


ba task must be serviced by its deadline period

✓


cprocess scheduling can be done only once

✖


dkernel is not required

✖



Priority inversion is solved by use of _____________


apriority inheritance protocol

✓


btwo phase lock protocol

✖


ctime protocol

✖


dall of the mentioned

✖



The most effective technique to keep dispatch latency low is to ____________


aprovide non preemptive kernels

✖


bprovide preemptive kernels

✓


cmake it user programmed

✖


drun less number of processes at a time

✖



The amount of time required for the scheduling dispatcher to stop one process and start another is known as ______________


aevent latency

✖


binterrupt latency

✖


cdispatch latency

✓


dcontext switch

✖


View Answer dispatch latency

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