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ACK

   Also found in: Acronyms, Wikipedia, Hutchinson 0.03 sec.

ACK

(ACKnowledgment code) The communications code sent from a receiving station to a transmitting station to indicate that it is ready to accept data. It is also used to acknowledge the error-free receipt of transmitted data. Contrast with NAK.


ACK
(computer science)

1.(character)ACK - /ak/ The mnemonic for the ACKnowledge character, ASCII code 6.
2.(communications)ACK - 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.


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To underscore the difficulty of what Lava Man has done just to get to this point: From the 1930s until the Pacific Classic came along, only five horses were able to win the Big 'Cap and Gold Cup in the same year, and they're from a horsy Who's Who: Kayak II (1939), Noor ('50), Ack Ack ('71), Crystal Water ('77) and Affirmed ('79).
If an error is found, the ACK file will identify the error (including error codes), the form or schedule where the error was found and the number of occurrences (for multi-page forms and schedules).
The REQ and ACK signals control the timing of the SCSI bus and are most susceptible to noise.
 
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