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July 28, 2014

Homework Help: Computers

Posted by Magnus on Friday, November 24, 2006 at 11:15am.

Can anyone help me solve this :

Assume that you have a disc-system with 300 256-byte sectors pr. track and assume that the disc rotates with 800 rpm.

How long time does it take to read a sector? The answer should be in microseconds. Search time isnt needed.

Solved it myself. Wasnt really as hard as I thought :)

It reads 800 * 300 sektorer pr. minute.

It reads 24.000/60 sectors pr. second.

It reads 400 sectors pr. second.

To read 1 sector, it uses 1\400 seconds

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