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Q.

When a subroutine is called ____________

A

it defines a new locality

B

it is in the same locality from where it was called

C

it does not define a new locality

D

none of the mentioned

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With paging there is no ________ fragmentation.

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internal

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external

C

either type of

D

none of the mentioned

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2.

If relocation is static and is done at assembly or load time, compaction _________

A

cannot be done

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must be done

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must not be done

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can be done

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3.

A memory page containing a heavily used variable that was initialized very early and is in constant use is removed, then the page replacement algorithm used is ____________

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LRU

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LFU

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FIFO

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None of the mentioned

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Effective access time is directly proportional to ____________

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page-fault rate

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hit ratio

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memory access time

D

none of the mentioned

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If no frames are free, _____ page transfer(s) is/are required.

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one

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two

C

three

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four

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