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MCQ

Q.

A deadlock avoidance algorithm dynamically examines the __________ to ensure that a circular wait condition can never exist.

A

resource allocation state

B

system storage state

C

operating system

D

resources

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MCQ

1.

At a particular time of computation the value of a counting semaphore is 7.Then 20 P operations and 15 V operations were completed on this semaphore. The resulting value of the semaphore is? (GATE 1987)

A

42

B

2

C

7

D

12

Discussion

MCQ

2.

The segment of code in which the process may change common variables, update tables, write into files is known as ____________

A

program

B

critical section

C

non

D

synchronizing

Discussion

MCQ

3.

Process synchronization can be done on __________

A

hardware level

B

software level

C

both hardware and software level

D

none of the mentioned

Discussion

MCQ

4.

What are Multithreaded programs?

A

lesser prone to deadlocks

B

more prone to deadlocks

C

not at all prone to deadlocks

D

none of the mentioned

Discussion

MCQ

5.

If no cycle exists in the resource allocation graph ____________

A

then the system will not be in a safe state

B

then the system will be in a safe state

C

all of the mentioned

D

none of the mentioned

Discussion

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