W

WACK: Wait before Aconowledgement.

WAIS: Wide Area Information Server.

Wait before Acknowledgement (WACK): A delay before transmitting acknowledgement by a called terminal when it is not ready to receive a message from a calling terminal.

wait on busy: A network facility which enables a calling terminal to be held in a queue if the called terminal is busy with another call. The calling terminal is automatically connected once the called terminal becomes free.

walking code: A binary code that ‘walks’ through a register bit by bit and whose pattern advances by one each time.

walk time: In a polling system it is the portion of the poll cycle which is used to carry the overheads, such as propagation delays, synchronisation times when stations receive ...

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