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Q.

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

1.

A problem encountered in multitasking when a process is perpetually denied necessary resources is called ____________

A

deadlock

B

starvation

C

inversion

D

aging

Discussion

MCQ

2.

What is the solution to starvation?

A

the number of rollbacks must be included in the cost factor

B

the number of resources must be included in resource preemption

C

resource preemption be done instead

D

all of the mentioned

Discussion

MCQ

3.

A binary semaphore is a semaphore with integer values ____________

A

1

B

-1

C

0.8

D

0.5

Discussion

MCQ

4.

In the bounded buffer problem, there are the empty and full semaphores that ____________

A

count the number of empty and full buffers

B

count the number of empty and full memory spaces

C

count the number of empty and full queues

D

none of the mentioned

Discussion

MCQ

5.

What are Spinlocks?

A

CPU cycles wasting locks over critical sections of programs

B

Locks that avoid time wastage in context switches

C

Locks that work better on multiprocessor systems

D

All of the mentioned

Discussion

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