1. <
character> /ak/ The
mnemonic for the ACKnowledge
character,
ASCII code 6.
2. <
communications> A message transmitted to indicate that
some data has been received correctly. Typically, if the
sender does not receive the
ACK message after some
predetermined time, or receives a
NAK, the original data
will be sent again.
[
Jargon File]
(1997-01-07)