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Q.

To avoid deadlock ____________

A

there must be a fixed number of resources to allocate

B

resource allocation must be done only once

C

all deadlocked processes must be aborted

D

inversion technique can be used

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MCQ

1.

For non sharable resources like a printer, mutual exclusion ____________

A

must exist

B

must not exist

C

may exist

D

none of the mentioned

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MCQ

2.

What will happen if a non-recursive mutex is locked more than once?

A

Starvation

B

Deadlock

C

Aging

D

Signaling

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3.

A binary semaphore is a semaphore with integer values ____________

A

1

B

-1

C

0.8

D

0.5

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4.

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

A

continue()

B

wakeup()

C

getup()

D

start()

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MCQ

5.

A state is safe, if ____________

A

the system does not crash due to deadlock occurrence

B

the system can allocate resources to each process in some order and still avoid a deadlock

C

the state keeps the system protected and safe

D

all of the mentioned

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