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Wednesday, 25 January 2012

What is a platter?

1/25/2012 11:37:00 pm  Unknown  No comments


Hard Disk Platter

Hard Disk Platter is a round magnetic plate that constitutes part of a hard disk. Hard disks typically contain up to a dozen platters. Most platters are capable of storing information on both sides, therefore requiring read/write heads for each side .


Platters & Heads

In order to increase the amount of information the drive can store, most hard disks have multiple platters. Many drives use a "voice coil" approach, that is the same technology used to move the cone of a speaker is used to move the arm bearing the read head. The arm on a typical hard-disk drive can move from hub to edge and back up to 50 times per second .

Data

Data is generally segregated by using magnetic grains to herd the data. The data is aggregated into sectors and tracks, (Tracks are concentric circles, and sectors are pie shaped wedges on a track.


Shantanu

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