Operating System Mcqs

Page No. 4

A monitor is a module that encapsulates __________


ashared data structures


bprocedures that operate on shared data structure


csynchronization between concurrent procedure invocation


dall of the mentioned


View Answer all of the mentioned

Process synchronization can be done on __________


ahardware level


bsoftware level


cboth hardware and software level


dnone of the mentioned



When high priority task is indirectly preempted by medium priority task effectively inverting the relative priority of the two tasks, the scenario is called __________


apriority inversion


bpriority removal


cpriority exchange


dpriority modification


View Answer priority inversion

Mutual exclusion can be provided by the __________


amutex locks


bbinary semaphores


cboth mutex locks and binary semaphores


dnone of the mentioned



A semaphore is a shared integer variable __________


athat can not drop below zero


bthat can not be more than zero


cthat can not drop below one


dthat can not be more than one



Which one of the following is a synchronization tool?


athread


bpipe


csemaphore


dsocket


View Answer semaphore

If a process is executing in its critical section, then no other processes can be executing in their critical section. What is this condition called?


amutual exclusion


bcritical exclusion


csynchronous exclusion


dasynchronous exclusion


View Answer mutual exclusion

When several processes access the same data concurrently and the outcome of the execution depends on the particular order in which the access takes place is called ________


adynamic condition


brace condition


cessential condition


dcritical condition


View Answer race condition

Which process can be affected by other processes executing in the system?


acooperating process


bchild process


cparent process


dinit process


View Answer cooperating process

The child process completes execution, but the parent keeps executing, then the child process is known as __________


aOrphan


bZombie


cBody


dDead


View Answer Zombie

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