Operating System Mcqs

Page No. 56

Termination of the process terminates ___________


afirst thread of the process


bfirst two threads of the process


call threads within the process


dno thread within the process



The jacketing technique is used to ___________


aconvert a blocking system call into non blocking system call


bcreate a new thread


ccommunicate between threads


dterminate a thread



When the event for which a thread is blocked occurs?


athread moves to the ready queue


bthread remains blocked


cthread completes


da new thread is provided



The time required to create a new thread in an existing process is ___________


agreater than the time required to create a new process


bless than the time required to create a new process


cequal to the time required to create a new process


dnone of the mentioned



If one thread opens a file with read privileges then ___________


aother threads in the another process can also read from that file


bother threads in the same process can also read from that file


cany other thread can not read from that file


dall of the mentioned



A process can be ___________


asingle threaded


bmultithreaded


cboth single threaded and multithreaded


dnone of the mentioned



Which one of the following is not shared by threads?


aprogram counter


bstack


cboth program counter and stack


dnone of the mentioned



Which of the following is FALSE?


aContext switch time is longer for kernel level threads than for user level threads


bUser level threads do not need any hardware support


cRelated kernel level threads can be scheduled on different processors in a multiprocessor system


dBlocking one kernel level thread blocks all other related threads



If a kernel thread performs a blocking system call, ____________


athe kernel can schedule another thread in the application for execution


bthe kernel cannot schedule another thread in the same application for execution


cthe kernel must schedule another thread of a different application for execution


dthe kernel must schedule another thread of the same application on a different processor



Because the kernel thread management is done by the Operating System itself ___________


akernel threads are faster to create than user threads


bkernel threads are slower to create than user threads


ckernel threads are easier to manage as well as create then user threads


dnone of the mentioned



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