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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
concern a disk with a sector size of $512$ bytes, $2000$ tracks per surface, $50$ sectors per track, five double-sided platters, and average seek time of $10$ milliseconds.
Given below are two statements:
Statement I: The disk has a total number of $2000$ cylinders.
Statement II: $51200$ bytes is not a valid block size for the disk.
In the light of the above statements, choose the correct answer from the options given below:
Given below are two statements:
Statement I: The disk has a total number of $2000$ cylinders.
Statement II: $51200$ bytes is not a valid block size for the disk.
In the light of the above statements, choose the correct answer from the options given below:
Solution
Statement I is true.Number of cylinders is equal to the number of tracks per surface.
Given,
Tracks per surface $=2000$
So, total number of cylinders $=2000$.
Therefore, Statement I is true.
Statement II is false.
Given sector size is:
$512$ bytes
A valid block size should be a multiple of sector size.
Now,
$51200=512\times 100$
So, $51200$ bytes is a valid block size.
But Statement II says that $51200$ bytes is not a valid block size.
Therefore, Statement II is false.
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