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  • channel
    [IRC] n. The basic unit of discussion on {IRC}. Once one joins a channel, everything one types is read by others on that ... VIEW ENTIRE DEFINITION


  •  View Definition: heartbeat 

    heartbeat


    n. 1. The signal emitted by a Level 2 Ethernet transceiver at the end of every packet to show that the collision-detection circuit is still connected. 2. A periodic synchronization signal used by software or hardware, such as a bus clock or a periodic interrupt. 3. The `natural' oscillation frequency of a computer's clock crystal, before frequency division down to the machine's clock rate. 4. A signal emitted at regular intervals by software to demonstrate that it is still alive. Sometimes hardware is designed to reboot the machine if it stops hearing a heartbeat. See also breath-of-life packet.