Operating System Questions & Answers MCQ – Process Synchronization

This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Process Synchronization”.

Which process can be affected by other processes executing in the system?
a) cooperating process
b) child process
c) parent process
d) init process

A semaphore is a shared integer variable __________
a) that can not drop below zero
b) that can not be more than zero
c) that can not drop below one
d) that can not be more than one

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?
a) dynamic condition
b) race condition
c) essential condition
d) critical condition

A monitor is a module that encapsulates __________
a) shared data structures
b) procedures that operate on shared data structure
c) synchronization between concurrent procedure invocation
d) all of the mentioned

Which one of the following is a synchronization tool?
a) thread
b) pipe
c) semaphore
d) socket

If a process is executing in its critical section, then no other processes can be executing in their critical section. This condition is called?
a) mutual exclusion
b) critical exclusion
c) synchronous exclusion
d) asynchronous exclusion

Mutual exclusion can be provided by the __________
a) mutex locks
b) binary semaphores
c) both mutex locks and binary semaphores
d) none of the mentioned

To enable a process to wait within the monitor __________
a) a condition variable must be declared as condition
b) condition variables must be used as boolean objects
c) semaphore must be used
d) all of the mentioned

Process synchronization can be done on __________
a) hardware level
b) software level
c) both hardware and software level
d) none 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 __________
a) priority inversion
b) priority removal
c) priority exchange
d) priority modification

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