Process Synchronization

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

• cooperating process

• child process

• parent process

• init process

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?

• dynamic condition

• race condition

• essential condition

• critical condition

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

• mutual exclusion

• critical exclusion

• synchronous exclusion

• asynchronous exclusion

Which one of the following is a synchronization tool?

• thread

• pipe

• semaphore

• socket

A semaphore is a shared integer variable __________

• that can not drop below zero

• that can not be more than zero

• that can not drop below one

• that can not be more than one

Mutual exclusion can be provided by the __________

• mutex locks

• binary semaphores

• both mutex locks and binary semaphores

• 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 __________

• priority inversion

• priority removal

• priority exchange

• priority modification

Process synchronization can be done on __________

• hardware level

• software level

• both hardware and software level

• none of the mentioned

A monitor is a module that encapsulates __________

a)

b)

c)

d)

• shared data structures

• procedures that operate on shared data structure

• synchronization between concurrent procedure invocation

• all of the mentioned

To enable a process to wait within the monitor __________

• a condition variable must be declared as condition

• condition variables must be used as boolean objects

• semaphore must be used

• all of the mentioned