Question

what is parallel device?​

Answer 1

Answer:

Its parallel Port, I think so?

If yes here's explaination.

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Explanation:

See parallel interface. (2) A socket on a computer used to connect a printer or other device via a parallel interface (eight data bits transferring simultaneously). In the past, the parallel port was widely used for printers and occasionally for connecting other devices externally, but was superseded by USB.