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