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MCQ

Q.

Deadlock prevention is a set of methods ____________

A

to ensure that at least one of the necessary conditions cannot hold

B

to ensure that all of the necessary conditions do not hold

C

to decide if the requested resources for a process have to be given or not

D

to recover from a deadlock

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1.

What are the two atomic operations permissible on semaphores?

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wait

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stop

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hold

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none of the mentioned

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2.

The code that changes the value of the semaphore is ____________

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remainder section code

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non-critical section code

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critical section code

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none of the mentioned

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3.

Process synchronization can be done on __________

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hardware level

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software level

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Spinlocks are intended to provide __________ only.

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Progress

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5.

A deadlock eventually cripples system throughput and will cause the CPU utilization to ______

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increase

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drop

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stay still

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none of the mentioned

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