QUESTIONS ABOUT :

What Is the Function of a Hard Disk...

The hard disk's function is to save ur memory in to it and u can use it on the another pc. Anonymous
http://www.blurtit.com/q7095848.html
The platter is the magnetic spinning disk which holds the data. Stewart Pinkerton
http://www.blurtit.com/q7549134.html
The purpose of the hard disk drive or HDD is to store all your information on it
http://www.blurtit.com/q8103852.html
( ¦dül ′ak·chə′wād·ər ¦härd ′disk ) (computer science) A hard disk that is equipped with two read/write heads.
http://www.answers.com/topic/dual-actuator-hard-di...
A hard disk is a device that is used to store large amounts of data in a computer system. Hard disks differ from other memory because they are non-volatile, they retain the data ev...
http://wiki.answers.com/Q/Function+hard+disk
Useful sites about:

What Is the Function of a Hard Disk...

The actuator is a very important part of the hard disk, and is the deviced that positions the head arms on the different tracks of the disk. This is the only operation ...
www.ask.com
A hard disk drive (HDD) is a data storage device used for storing and ... latency, a function of the physical rotational speed in revolutions per minute) and the speed ... This greatly reduced the cost of the head actuator mechanism, but precluded ...
en.wikipedia.org
The actuator is a very important part of the hard disk, because changing from track ... that requires physical movement: changing heads is an electronic function, ...
mrkay.org