Operating System Mcqs

Page No. 24

If binding is done at assembly or load time, then the process _____ be moved to different locations after being swapped out and in again.


acan

✖


bmust

✖


ccan never

✓


dmay

✖


View Answer can never

If a higher priority process arrives and wants service, the memory manager can swap out the lower priority process to execute the higher priority process. When the higher priority process finishes, the lower priority process is swapped back in and continues execution. This variant of swapping is sometimes called?


apriority swapping

✖


bpull out, push in

✖


croll out, roll in

✓


dnone of the mentioned

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View Answer roll out, roll in

The ___________ swaps processes in and out of the memory.


aMemory manager

✓


bCPU

✖


cCPU manager

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dUser

✖


View Answer Memory manager

The ___________ must design and program the overlay structure.


aprogrammer

✓


bsystem architect

✖


csystem designer

✖


dnone of the mentioned

✖


View Answer programmer

The idea of overlays is to ____________


adata that are needed at any given time

✖


benable a process to be larger than the amount of memory allocated to it

✖


ckeep in memory only those instructions

✖


dall of the mentioned

✓


View Answer all of the mentioned

What is the advantage of dynamic loading?


aA used routine is used multiple times

✖


bAn unused routine is never loaded

✓


cCPU utilization increases

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dAll of the mentioned

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What is Dynamic loading?


aloading multiple routines dynamically

✖


bloading a routine only when it is called

✓


cloading multiple routines randomly

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dnone of the mentioned

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If the process can be moved during its execution from one memory segment to another, then binding must be ____________


adelayed until run time

✓


bpreponed to compile time

✖


cpreponed to load time

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dnone of the mentioned

✖



Binding of instructions and data to memory addresses can be done at ____________


aCompile time

✖


bLoad time

✖


cExecution time

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dAll of the mentioned

✓


View Answer All of the mentioned

What is Address Binding?


agoing to an address in memory

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blocating an address with the help of another address

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cbinding two addresses together to form a new address in a different memory space

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da mapping from one address space to another

✓



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