Ack meaning

A transmission control character sent by a station indicating that it is ready to receive a transmission. In ASCII, ACK is represented by the bit pattern 0110000. See also ASCII.
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A positive acknowledgement that a message, block, or frame has been received without error across a communications circuit, that the data set can be erased from buffer memory, and that the next data set can be sent. See also block, circuit, data set, frame, message, NAK, and station.
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(radio communications) Acknowledged.
interjection
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(military, now historical) The letter A as used in signalling and other types of communications.
noun
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(data communications) Acknowledgment signal.
noun
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Expressing distaste, alarm, or trepidation.
interjection
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(Internet) An acknowledgement either of a packet or a message received from a network.
noun
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(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. See ARQ.
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Origin of ack

  • Arbitrary formation.

    From Wiktionary

  • Imitative.

    From Wiktionary