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Meaning of HEARTBEAT

Pronunciation:  'hârt`beet

 
Computing Dictionary
 
 Definition: 

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 synchronisation 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, watchdog.

[jargon file]

 
Thesaurus Terms
 
 Related Terms: anima, animating force, arrhythmia, atman, bathmism, beat, beating, beating heart, biological clock, biorhythm, blood, breath, breath of life, divine breath, divine spark, drumming, elan vital, essence of life, flutter, force of life, growth force, heart, heartblood, heartthrob, impulse of life, inspiriting force, jiva, jivatma, life breath, life cycle, life essence, life force, life principle, life process, lifeblood, living force, palpitation, pitapat, pitter-patter, pneuma, prana, pulsation, pulse, rataplan, rat-a-tat, rhythm, seat of life, soul, spark of life, spirit, staccato, tempo, throb, throbbing, vis vitae, vis vitalis, vital energy, vital flame, vital fluid, vital force, vital principle, vital spark, vital spirit
 

 

 

 

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