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Pastimes : Computer Learning
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To: bowledover who wrote (21860)8/17/2001 10:42:13 PM
From: The Philosopher  Read Replies (1) of 110653
 
One thing you mentioned I did not understand - 7200rpm. What does that refer to?


That's the speed at which the hard disk turns -- rpm equal revolutions (complete rotations) per minute. The higher the rpm, in general, the faster you can get data onto and off of the disk. Though there are other factors involved, too. But generally faster is better.

Pretty awesome to start calculating how many turns your hard disk makes in its lifetime -- at 7,200 per minute, that's 432,000 per hour. Calculate how many hours a day your computer is on, how many days a year, how many years you expect your hard disk to last something over five years, I'm sure) and you get a pretty awesome number for a mechanical device to work flawlessly.
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