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MCQ

Q.

Which of the following condition is required for a deadlock to be possible?

A

mutual exclusion

B

a process may hold allocated resources while awaiting assignment of other resources

C

no resource can be forcibly removed from a process holding it

D

all of the mentioned

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MCQ

1.

A monitor is a type of ____________

A

semaphore

B

low level synchronization construct

C

high level synchronization construct

D

none of the mentioned

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2.

A situation where several processes access and manipulate the same data concurrently and the outcome of the execution depends on the particular order in which access takes place is called ____________

A

data consistency

B

race condition

C

aging

D

starvation

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3.

An actual update is not allowed to a data item ____________

A

before the corresponding log record is written out to stable storage

B

after the corresponding log record is written out to stable storage

C

until the whole log record has been checked for inconsistencies

D

all of the mentioned

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4.

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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5.

Which of the following condition is required for a deadlock to be possible?

A

mutual exclusion

B

a process may hold allocated resources while awaiting assignment of other resources

C

no resource can be forcibly removed from a process holding it

D

all of the mentioned

Discussion

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