Inter Process Communication | Multiple Questions and Answers

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Inter Process Communication Multiple Questions and Answers.

16.	Mutual exclusion implies that ____________

	A.	if a process is executing in its critical section, then no other process must be executing in their critical sections
	B.	if a process is executing in its critical section, then other processes must be executing in their critical sections
	C.	if a process is executing in its critical section, then all the resources of the system must be blocked until it finishes execution
	D.	None of these

17.	TestAndSet instruction is executed ____________

	A.	periodically
	B.	after a particular process
	C.	atomically
	D.	at the end of a process

18.	Semaphore is a/an _______ to solve the critical section problem.

	A.	hardware for a system
	B.	special program for a system
	C.	integer variable
	D.	program

19.	The signal operation of the semaphore basically works on the basic _______ system call.

	A.	continue()
	B.	wakeup()
	C.	getup()
	D.	start()

20.	What are the two kinds of semaphores?

	A.	Mutex & Counting
	B.	Binary & Counting
	C.	Counting & Decimal
	D.	Decimal & Binary

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