answerback

[ an-ser-bak, ahn- ]
/ ˈæn sərˌbæk, ˈɑn- /

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