System calls which is used to control the execution of the process is called........................
a.Process control call
b.Fill manipulation call
c.Device manage call

ans: a

System calls which is used to exchange information between different processes....................
a.Process control call
b.File manipulation call
c.Communication call

ans: c

Time interval between the submission of request  for CPU by the process unit the first response is produced is called.............................
a.Throughput
b.Processor efficiency
c.Fairness

ans: a

An area in main memory that can be shared by more than one process is called........................
a.Shared memory
b.Shared variable
c.Job pool

ans: a

In which communication technique the process that wants to communicate must explicitly name the sender or recipient of the communication...................................
a.Direct communication
b.Message passing
c.Direct communication

ans: c

If more than one process share a common variable concurrently the result of the execution will be different depending on the order of execution of  the processes this situation is called ...................
a.Mutual
b.Race condition
c.Semaphores

ans: b

Which of the following is a code segment in all process using this only the processes can access shared variable or files......................
a.Semaphores
b.Critical section
c.Mutual exclusion

ans: a

If a process pi is executing in its critical section then no process is allowed to enter into its critical section this concept is called.........................
a.Critical section
b.Mutual exclusion
c.send section

ans: b

Which of the following is an integer variables denoted by the letter S....................
a.Semaphores
b.Critical section
b.Mutual exclusion

ans: a

Operating used to increment semaphore is ............................
a.Wait
b.Signal
c.Lock

ans: b

Mutual exclusion  is achieved by ..........................
a.Race condition
b.Critical section
c.Locks

ans: c

Which of the  following  is a  special structure used to attain mutual exclusion among co-operating process......................
a.Monitors
b.Locks
c.Section

ans: a

Processes utilize the needed resources in the  following sequence.......................
a.Request,use,release
b.Use,request,release
c.Request release use

ans: a

If there is a directed edge from process to resource, then that edge is called.......................
a.Assignment edge
b.Request edge
c.Direct edge

ans: c