Process Synchronization Questions

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111.

Those processes should be aborted on occurrence of a deadlock, the termination of which?

A

is more time consuming

B

incurs minimum cost

C

safety is not hampered

D

all of the mentioned

Correct Answer: B

None.

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112.

The process to be aborted is chosen on the basis of the following factors?

A

priority of the process

B

process is interactive or batch

C

how long the process has computed

D

all of the mentioned

Correct Answer: D

None.

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113.

Cost factors for process termination include ____________

A

Number of resources the deadlock process is not holding

B

CPU utilization at the time of deadlock

C

Amount of time a deadlocked process has thus far consumed during its execution

D

All of the mentioned

Correct Answer: C

None.

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114.

If we preempt a resource from a process, the process cannot continue with its normal execution and it must be ____________

A

aborted

B

rolled back

C

terminated

D

queued

Correct Answer: B

None.

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115.

To _______ to a safe state, the system needs to keep more information about the states of processes.

A

abort the process

B

roll back the process

C

queue the process

D

none of the mentioned

Correct Answer: B

None.

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116.

If the resources are always preempted from the same process __________ can occur.

A

deadlock

B

system crash

C

aging

D

starvation

Correct Answer: D

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117.

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

Correct Answer: A

None.

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