Operating System Mcqs

Page No. 61

The _______ maintains pending and blocked bit vectors in the context of each process.


aCPU

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bMemory

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cProcess

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dKernel

✓


View Answer Kernel

When a process blocks the receipt of certain signals?


aThe signals are delivered

✓


bThe signals are not delivered

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cThe signals are received until they are unblocked

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dThe signals are received by the process once they are delivered

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Signals are identified by ____________


asignal identifiers

✓


bsignal handlers

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csignal actions

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dnone of the mentioned

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View Answer signal identifiers

The three ways in which a process responds to a signal are ____________


aignoring the signal

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bhandling the signal

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cperforming some default action

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dall of the mentioned

✓


View Answer all of the mentioned

Signals of a given type ____________


aare queued

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bare all sent as one

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ccannot be queued

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dnone of the mentioned

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View Answer are all sent as one

Which of the following is not TRUE?


aProcesses may send each other signals

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bKernel may send signals internally

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cA field is updated in the signal table when the signal is sent

✓


dEach signal is maintained by a single bit

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Signals that occur at the same time, are presented to the process ____________


aone at a time, in a particular order

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bone at a time, in no particular order

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call at a time

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dnone of the mentioned

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The number of the threads in the pool can be decided on factors such as ____________


anumber of CPUs in the system

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bamount of physical memory

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cexpected number of concurrent client requests

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dall of the mentioned

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View Answer all of the mentioned

Thread pools limit the number of threads that exist at any one point, hence ____________


anot letting the system resources like CPU time and memory exhaust

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bhelping a limited number of processes at a time

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cnot serving all requests and ignoring many

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dnone of the mentioned

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Thread pools help in ____________


aservicing multiple requests using one thread

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bservicing a single request using multiple threads from the pool

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cfaster servicing of requests with an existing thread rather than waiting to create a new thread

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dnone of the mentioned

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