Operating System Mcqs

Page No. 5

The child process can __________


abe a duplicate of the parent process


bnever be a duplicate of the parent process


ccannot have another program loaded into it


dnever have another program loaded into it



In UNIX, the return value for the fork system call is _____ for the child process and _____ for the parent process.


aA Negative integer, Zero


bZero, A Negative integer


cZero, A nonzero integer


dA nonzero integer, Zero



In UNIX, each process is identified by its __________


aProcess Control Block


bDevice Queue


cProcess Identifier


dNone of the mentioned


View Answer Process Identifier

With _____________ only one process can execute at a time; meanwhile all other process are waiting for the processor. With ______________ more than one process can be running simultaneously each on a different processor.


aMultiprocessing, Multiprogramming


bMultiprogramming, Uniprocessing


cMultiprogramming, Multiprocessing


dUniprogramming, Multiprocessing



Cascading termination refers to termination of all child processes if the parent process terminates ______


aNormally


bAbnormally


cNormally or abnormally


dNone of the mentioned



A parent process calling _____ system call will be suspended until children processes terminate.


await


bfork


cexit


dexec


View Answer wait

Restricting the child process to a subset of the parent’s resources prevents any process from __________


aoverloading the system by using a lot of secondary storage


bunder-loading the system by very less CPU utilization


coverloading the system by creating a lot of sub-processes


dcrashing the system by utilizing multiple resources



Bounded capacity and Unbounded capacity queues are referred to as __________


aProgrammed buffering


bAutomatic buffering


cUser defined buffering


dNo buffering


View Answer Automatic buffering

The Zero Capacity queue __________


ais referred to as a message system with buffering


bis referred to as a message system with no buffering


cis referred to as a link


dnone of the mentioned



In the Zero capacity queue __________


athe queue can store at least one message


bthe sender blocks until the receiver receives the message


cthe sender keeps sending and the messages don’t wait in the queue


dnone of the mentioned



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