(A) Making proper use of processor
(B) Allowing a job to use the processor
(C) Both of the above
(D) None of the above
Tag: Operating System Mcq With Answers PDF
Processes that are residing in main memory and are ready and waiting to execute are kept on a list called?
(A) Execution queue
(B) Ready queue
(C) Job queue
(D) Process queue
Which module gives control of the CPU to the process selected by the short term scheduler?
(A) Scheduler
(B) Interrupt
(C) Dispatcher
(D) None of the above
Disadvantage of a process being allocated all its resources before beginning its execution is?
(A) Very high resource utilization
(B) Low CPU utilization
(C) Low resource utilization
(D) None of the above
For sharable resources mutual exclusion?
(A) is required
(B) is not required
(C) may be or may not be required
(D) None of the above
For non sharable resources like a printer, mutual exclusion?
(A) May exist
(B) Must not exist
(C) Must exist
(D) None of the above
What is deadlock prevention?
(A) Set of methods to decide if the requested resources for a process have to be given or not
(B) Set of methods to ensure that at least one of the necessary conditions can not hold
(C) Both of the above
(D) None of the above
For mutual exclusion to prevail in the system?
(A) There must be at least one resource in a sharable mode
(B) Processor must be a uniprocessor rather than a multiprocessor
(C) At least one resource must be held in a non sharable mode
(D) None of the above