Definition: Controller


A device that transfers information between the computer and peripheral devices. The controller (or "control unit") acts as a traffic manager. See also disk controller, interface controller, and disk drive controller.




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Data Recovery Fact

Analogue signals

Signals which come directly from the read/write heads, before digitalization. No analogue signals indicate that data has not been stored on the media, or the data has been removed using a strong magnetic field such as a Degausser.

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