answerback

[an-ser-bak, ahn-]

noun

a reply or answering message from a computer or other electronic device, as by means of teletypewriter or simulated voice.

adjective

of, constituting, or providing an answerback: a computer with answerback capability.

Origin of answerback

noun use of verb phrase answer back
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019