Operating System Mcqs

Page No. 23

If the resources are always preempted from the same process __________ can occur.


adeadlock


bsystem crash


caging


dstarvation


View Answer starvation

To _______ to a safe state, the system needs to keep more information about the states of processes.


aabort the process


broll back the process


cqueue the process


dnone of the mentioned


View Answer roll back the process

If we preempt a resource from a process, the process cannot continue with its normal execution and it must be ____________


aaborted


brolled back


cterminated


dqueued


View Answer rolled back

Cost factors for process termination include ____________


aNumber of resources the deadlock process is not holding


bCPU utilization at the time of deadlock


cAmount of time a deadlocked process has thus far consumed during its execution


dAll of the mentioned



The process to be aborted is chosen on the basis of the following factors?


apriority of the process


bprocess is interactive or batch


chow long the process has computed


dall of the mentioned


View Answer all of the mentioned

Those processes should be aborted on occurrence of a deadlock, the termination of which?


ais more time consuming


bincurs minimum cost


csafety is not hampered


dall of the mentioned


View Answer incurs minimum cost

The two ways of aborting processes and eliminating deadlocks are ____________


aAbort all deadlocked processes


bAbort all processes


cAbort one process at a time until the deadlock cycle is eliminated


dAll of the mentioned



A deadlock can be broken by ____________


aabort one or more processes to break the circular wait


babort all the process in the system


cpreempt all resources from all processes


dnone of the mentioned



Which of the following is TRUE?


aOverlays are used to increase the size of physical memory


bOverlays are used to increase the logical address space


cWhen overlays are used, the size of a process is not limited to the size of the physical memory


dOverlays are used whenever the physical address space is smaller than the logical address space



In a system that does not support swapping ____________


athe compiler normally binds symbolic addresses (variables) to relocatable addresses


bthe compiler normally binds symbolic addresses to physical addresses


cthe loader binds relocatable addresses to physical addresses


dbinding of symbolic addresses to physical addresses normally takes place during execution



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