heartbeat


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Related to heartbeat: Heartbleed

heartbeat

[′härt‚bēt]
(physiology)
Pulsation of the heart coincident with ventricular systole.

heartbeat

(networking)
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.

heartbeat

(2)
A periodic synchronisation signal used by software or hardware, such as a bus clock or a periodic interrupt.

heartbeat

(3)
The "natural" oscillation frequency of a computer's clock crystal, before frequency division down to the machine's clock rate.

heartbeat

(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.

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.
References in periodicals archive ?
We envision that this result paves way for exciting research on understanding the morphology of the heartbeat both in the context of emotion-recognition as well as in the context of non-invasive health monitoring and diagnosis.
The heartbeat songs have a profound effect on patients and their families and can help achieve goals determined in palliative care.
gov/mission_pages/kepler/launch/) launched in 2009 and has been studying heartbeat stars since at least 2011, when a study about a star called KOI-54 was released showing that it increased in brightness every 41.
With the baby heartbeat listener app, you don't have to go to the hospital; we bring the hospital to you at the comfort of your home, school, and offices, giving you that historic opportunity to hear your baby's heartbeat.
Founded in 2009, Mobile Heartbeat provides a highly efficient, patient-specific, clinical team collaboration solution.
To conduct the study, researchers gathered data on more than 88,000 people newly diagnosed with an irregular heartbeat as well as about 886,000 healthy people.
Heartbeat may have been off our peak-time TV screens for years now, but it still has its loyal following of fans, as was evident on opening night at the Theatre Royal Newcastle.
When Heartbeat of Miami first opened its doors, it was the first known pregnancy center in Miami-Dade County, compared to 37 abortion clinics.
Last week Heartbeat distributed 100,000 cardboard piggy banks to schools and companies partnered with the organization.
By also recording the volunteers' heartbeat signals using electrodes, the timing of the heartbeat was used to trigger a bright flashing outline which was superimposed on the virtual body shown via the HMD.
The 34-year-old added: "So I don't know if my son's heartbeat got on the album but it is now in a zombie film, which is great.
We've been working very hard for a number of years to build a movement of people using creative arts for the conflict transformation in Israel and Palestine," Heartbeat founder Aaron Shneyer said in a telephone interview this week.