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MCQ

Q.

Effective access time is directly proportional to ____________

A

page-fault rate

B

hit ratio

C

memory access time

D

none of the mentioned

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1.

The size of a process is limited to the size of ____________

A

physical memory

B

external storage

C

secondary storage

D

none of the mentioned

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2.

When a page is selected for replacement, and its modify bit is set ____________

A

the page is clean

B

the page has been modified since it was read in from the disk

C

the page is dirty

D

the page has been modified since it was read in from the disk & page is dirty

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Error handler codes, to handle unusual errors are ____________

A

almost never executed

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executed very often

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none of the mentioned

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The disadvantage of moving all process to one end of memory and all holes to the other direction, producing one large hole of available memory is ____________

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the memory used

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the CPU used

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all of the mentioned

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5.

Swap space is allocated ____________

A

as a chunk of disk

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separate from a file system

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into a file system

D

all of the mentioned

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