Question: Consider a single - platter disk with the following parameters: rotation speed: 7 2 0 0 rpm; number of tracks on one side ofplatter: 3

Consider a single

-

platter disk with the following parameters: rotation speed:

7200

rpm; number of tracks on one side ofplatter:

30, 000

; number of sectors per track:

600

; seek time: one ms for every hundred tracks traversed. Let the diskreceive a request to access a random sector on a random track and assume the disk head starts at track

0 .

.

What is the average seek time?b

.

What is the average rotational latency?c

.

What is the transfer time for a sector?d

.

What is the total average time to satisfy a request?

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