Operating System Mcqs

Page No. 61

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


aCPU


bMemory


cProcess


dKernel


View Answer Kernel

When a process blocks the receipt of certain signals?


aThe signals are delivered


bThe signals are not delivered


cThe signals are received until they are unblocked


dThe signals are received by the process once they are delivered



Signals are identified by ____________


asignal identifiers


bsignal handlers


csignal actions


dnone of the mentioned


View Answer signal identifiers

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


aignoring the signal


bhandling the signal


cperforming some default action


dall of the mentioned


View Answer all of the mentioned

Signals of a given type ____________


aare queued


bare all sent as one


ccannot be queued


dnone of the mentioned


View Answer are all sent as one

Which of the following is not TRUE?


aProcesses may send each other signals


bKernel may send signals internally


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


dEach signal is maintained by a single bit



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


aone at a time, in a particular order


bone at a time, in no particular order


call at a time


dnone of the mentioned



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


anumber of CPUs in the system


bamount of physical memory


cexpected number of concurrent client requests


dall of the mentioned


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


bhelping a limited number of processes at a time


cnot serving all requests and ignoring many


dnone of the mentioned



Thread pools help in ____________


aservicing multiple requests using one thread


bservicing a single request using multiple threads from the pool


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


dnone of the mentioned



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