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MCQ

Bounded waiting implies that there exists a bound on the number of times a process is allowed to enter its critical section ____________

after a process has made a request to enter its critical section and before the request is granted

when another process is in its critical section

before a process has made a request to enter its critical section

none of the mentioned

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MCQ

A system has 3 processes sharing 4 resources. If each process needs a maximum of 2 units then, deadlock ____________

can never occur

may occur

has to occur

none of the mentioned

Discussion

MCQ

The number of resources requested by a process ____________

must always be less than the total number of resources available in the system

must always be equal to the total number of resources available in the system

must not exceed the total number of resources available in the system

must exceed the total number of resources available in the system

Discussion

MCQ

Cost factors for process termination include ____________

Number of resources the deadlock process is not holding

CPU utilization at the time of deadlock

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

All of the mentioned

Discussion

MCQ

If no process is suspended, the signal operation ____________

puts the system into a deadlock state

suspends some default process execution

nothing happens

the output is unpredictable

Discussion

MCQ

Which of the following concurrency control protocols ensure both conflict serializability and freedom from deadlock? I) 2-phase locking II) Timestamp ordering

I only

II only

Both I and II

Neither I nor II

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Distributed Operating System

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