Operating System Mcqs

Page No. 2

Which of the following is not the state of a process?


aNew

✖


bOld

✓


cWaiting

✖


dRunning

✖


View Answer Old

The state of a process is defined by __________


athe final activity of the process

✖


bthe activity just executed by the process

✖


cthe activity to next be executed by the process

✖


dthe current activity of the process

✓



The number of processes completed per unit time is known as __________


aOutput

✖


bThroughput

✓


cEfficiency

✖


dCapacity

✖


View Answer Throughput

A Process Control Block(PCB) does not contain which of the following?


aCode

✖


bStack

✖


cBootstrap program

✓


dData

✖


View Answer Bootstrap program

Which of the following does not interrupt a running process?


aA device

✖


bTimer

✖


cScheduler process

✓


dPower failure

✖


View Answer Scheduler process

Which of the following need not necessarily be saved on a context switch between processes?


aGeneral purpose registers

✖


bTranslation lookaside buffer

✓


cProgram counter

✖


dAll of the mentioned

✖



The context of a process in the PCB of a process does not contain __________


athe value of the CPU registers

✖


bthe process state

✖


cmemory-management information

✖


dcontext switch time

✓


View Answer context switch time

Suppose that a process is in “Blocked” state waiting for some I/O service. When the service is completed, it goes to the __________


aRunning state

✖


bReady state

✓


cSuspended state

✖


dTerminated state

✖


View Answer Ready state

In a multiprogramming environment __________


athe processor executes more than one process at a time

✖


bthe programs are developed by more than one person

✖


cmore than one process resides in the memory

✓


da single user can execute many programs at the same time

✖



In a time-sharing operating system, when the time slot given to a process is completed, the process goes from the running state to the __________


aBlocked state

✖


bReady state

✓


cSuspended state

✖


dTerminated state

✖


View Answer Ready state

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