ACK
1. /ak/ The mnemonic for the ACKnowledge character, ASCII code 6.
2. 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]Last updated: 1997-01-07
Nearby terms:
ACF ♦ ACF/NCP ♦ ACIA ♦ ACID ♦ ACIS ♦ ACK ♦ ACL ♦ ACM ♦ ACME ♦ ACOM ♦ acorn ♦ Acorn Archimedes
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