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

Cyclic Redundancy Check (CRC)

Data stored or transmitted with data to detect corruption. By calculating the CRC data and comparing it to the original data sent, the receiver can detect some types of transmission errors.

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