ACK

<character>

1. /ak/ The mnemonic for the ACKnowledge character, ASCII code 6.

<communications>

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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