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Definition of NAK
1. Abbreviation. (computing) : A negative ACK; a response indicating that a message was not fully received, or that there was a problem with the message. ¹
¹ Source: wiktionary.com
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1. Abbreviation. (computing) : A negative ACK; a response indicating that a message was not fully received, or that there was a problem with the message. ¹
¹ Source: wiktionary.com