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ACK

 Origin

ack.

 
1.
acknowledge.
2.
acknowledgment.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Etymonline
Word Origin & History

ack
British oral code for letter A in wireless and telephone communication, 1898; hence ack-ack "anti-aircraft" (gun, fire, etc.), from abbreviation A.A.
Online Etymology Dictionary, © 2010 Douglas Harper
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FOLDOC
Computing Dictionary

ACK definition


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]
(1997-01-07)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
ACK

  1. acknowledgment

  2. Nantucket Memorial Airport

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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