Concurrency and Synchronization Quiz

Concurrent access to shared data may result in ____________

• data consistency

• data insecurity

• data inconsistency

• none of the mentioned

The segment of code in which the process may change common variables, update tables, write into files is known as ____________

• program

• critical section

• non - critical section

• synchronizing

Which of the following conditions must be satisfied to solve the critical section problem?

• Mutual Exclusion

• Progress

• Bounded Waiting

• All of the mentioned

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. What is this condition 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

Process synchronization can be done on __________

• hardware level

• software level

• both hardware and software level

• none of the mentioned