Operating System Mcqs

Page No. 16

In the bounded buffer problem ____________


athere is only one buffer

✖


bthere are n buffers ( n being greater than one but finite)

✓


cthere are infinite buffers

✖


dthe buffer size is bounded

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


acount the number of empty and full buffers

✓


bcount the number of empty and full memory spaces

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ccount the number of empty and full queues

✖


dnone of the mentioned

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The bounded buffer problem is also known as ____________


aReaders – Writers problem

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bDining – Philosophers problem

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cProducer – Consumer problem

✓


dNone of the mentioned

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If no process is suspended, the signal operation ____________


aputs the system into a deadlock state

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bsuspends some default process execution

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cnothing happens

✓


dthe output is unpredictable

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View Answer nothing happens

Which is the process of invoking the wait operation?


asuspended until another process invokes the signal operation

✓


bwaiting for another process to complete before it can itself call the signal operation

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cstopped until the next process in the queue finishes execution

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dnone of the mentioned

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What are the operations that can be invoked on a condition variable?


await & signal

✓


bhold & wait

✖


csignal & hold

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dcontinue & signal

✖


View Answer wait & signal

The monitor construct ensures that ____________


aonly one process can be active at a time within the monitor

✓


bn number of processes can be active at a time within the monitor (n being greater than 1)

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cthe queue has only one process in it at a time

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dall of the mentioned

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A procedure defined within a ________ can access only those variables declared locally within the _______ and its formal parameters.


aprocess, semaphore

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bprocess, monitor

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csemaphore, semaphore

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dmonitor, monitor

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View Answer monitor, monitor

A monitor is characterized by ____________


aa set of programmer defined operators

✓


ban identifier

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cthe number of variables in it

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dall of the mentioned

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A monitor is a type of ____________


asemaphore

✖


blow level synchronization construct

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chigh level synchronization construct

✓


dnone of the mentioned

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