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heartbeat
(redirected from a heartbeat away from)

    Also found in: Dictionary/thesaurus, Medical 0.01 sec.
heartbeat
(1) A periodic signal generated by hardware for activation and/or synchronization purposes. See MHz.

(2) A periodic signal generated by hardware or software to indicate that it is still running.
heartbeat [′härt‚bēt]
(physiology)
Pulsation of the heart coincident with ventricular systole.
1.(networking)heartbeat - 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.heartbeat - A periodic synchronisation signal used by software or hardware, such as a bus clock or a periodic interrupt.
3.heartbeat - The "natural" oscillation frequency of a computer's clock crystal, before frequency division down to the machine's clock rate.
4.heartbeat - 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, watchdog.
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Opportunities can come at any time and you know you are always just a heartbeat away from a piece of the action.
Time is on my side - Krul by Evening Chronicle (Newcastle, England)
Sarah Palin proved last year, as John McCainÕs running mate on the Republican ticket, that she had no business being a heartbeat away from the presidency.
The erratic Sarah Palin by Staff / Las Vegas Sun
Playing in England, a heartbeat away from the same flight as Manchester United, Chelsea, Liverpool and Arsenal, would give the two of them the opportunity to grow again.
It's death of our game if Celtic and Gers leave by Daily Record (Glasgow, Scotland)
 
 
 
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