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Question

A critical region is

a.

a program segment that has not been proved bug-free

b.

a program segment that often causes unexpected system crashes

c.

a program segment where shared resources are accessed

d.

one which is enclosed by a pair of P and V operations on semaphores

Answer: (d).one which is enclosed by a pair of P and V operations on semaphores

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Q. A critical region is

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