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negative
[neg-uh-tiv] 
negative
[neg-uh-tiv]
negative: see photographic processing.
The Columbia Electronic Encyclopedia Copyright © 2004.
Licensed from Columbia University Press
Licensed from Columbia University Press
- In telecommunications, a negative-acknowledge character (NAK) is a transmission control character sent by a station as a negative response to the station with which the connection has been set up.
- In Binary Synchronous Communications protocol, the NAK is used to indicate that an error was detected in the previously received block and that the receiver is ready to accept retransmission of that block.
- In multipoint systems, the NAK is used as the not-ready reply to a poll.
Sources: Federal Standard 1037C and from MIL-STD-188
- Also used as a slang abbreviation in internet forums and chats (mainly technology) for "I don't agree" or "That's wrong".
- In the ASCII code, the NAK character is 0x15 (hexadecimal).
See also
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This article is licensed under the GNU Free Documentation License.
Last updated on Tuesday September 23, 2008 at 19:47:40 PDT (GMT -0700)
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This article is licensed under the GNU Free Documentation License.
Last updated on Tuesday September 23, 2008 at 19:47:40 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
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