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Q.

The direct access method is based on a ______ model of a file, as _____ allow random access to any file block.

A

magnetic tape, magnetic tapes

B

tape, tapes

C

disk, disks

D

all of the mentioned

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MCQ

1.

The time taken to move the disk arm to the desired cylinder is called the ____________

A

positioning time

B

random access time

C

seek time

D

rotational latency

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2.

The file organization module knows about _____________

A

files

B

logical blocks of files

C

physical blocks of files

D

all of the mentioned

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3.

Random access in magnetic tapes is _________ compared to magnetic disks.

A

fast

B

very fast

C

slow

D

very slow

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4.

In RAID level 4, one block read, accesses __________

A

only one disk

B

all disks simultaneously

C

all disks sequentially

D

none of the mentioned

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5.

The characteristic of the eye to retain the image for a short time after it has been presented is known as ___________

A

persistence of vision

B

learning power

C

memory mapped input

D

none of the mentioned

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