In a computer, storage is the place where data is held in an electromagnetic or optical form for access by a computer processor. There are two general usages.
STORAGE DEVICES :
A data storage device is a device for recording (storing) information (data). recording can be done using virtually any form of energy, spanning from manual muscle power in handwriting, to acoustic vibrations in phonographic recording, to electromagnetic energy modulating magnetic tape and optical discs.
Example of storage devices :
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