master-slave(redirected from Secondary slave)
master-slave(1) An electronic interaction in which one device acts as the controller (the master) and initiates the commands, and the other devices (the slaves) respond accordingly. See master-slave communications.
(2) An ordering of electronic devices in a primary-secondary sequence. For example, when a pair of ATA (IDE) disk drives are installed in the same PC, one is configured as master and the other as slave. See IDE.
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