Question: Consider a hard - disk with 8 tracks and 3 2 sectors in each track. Assume each sector is 1 KB . Assume RPM is

Consider a hard

-

disk with

8

tracks and

32

sectors in each track. Assume each sector is

1

.

Assume RPM is

24000 .

.

What is the size of the address space in KB

?

.

How much time in milliseconds does a full rotation of the disk take?

.

Suppose the head is on the innermost track and we request a read from a sector on the outermost track. By the time the head reaches the outermost track, the disk has rotated by

4

sectors

.

What is the seek delay in milliseconds?

.

If the disk has to rotate another

16

sectors before the appropriate sector is under the disk head, what is the rotational delay in milliseconds?

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