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

Initiator

A device in control of the SCSI bus that sends commands to a target. Most SCSI devices have a fixed role as an initiator or a target; however, some devices can assume both roles.

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