master clock


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master clock

[′mas·tər ′kläk]
(computer science)
The electronic or electric source of standard timing signals, often called clock pulses, required for sequencing the operation of a computer. Also known as main clock; master synchronizer; master timer.

master clock

A clock that provides the primary source of internal timing for a processor or stand-alone control unit.
References in periodicals archive ?
The study done in rats found that the feeding clock overrides the master clock when the food is scarce.
An electrical (75v) pulse was sent from the electro-mechanical master clock every half minute to slave units on each circuit, these in the case of the three portico clocks were housed on the inside wall behind the faces.
The light signals sent to your body's master clock tell you when to be sleepy and when to be alert.
The BITS is defined as the most accurate clock in an office, and is used as a master clock for all intraoffice equipment.
The Naval Observatory--under the command of the oceanographer--maintains the Master Clock to keep precise time for the entire United States.
The contract includes a master clock system, crash alarm and uninterruptible power supply.
50 YEARS AGO: Changes now being made in the Bournville carrillon include the rising of the bells - which are among the heaviest in Europe - so that they can be heard for a greater distance and the substitution of the master clock for the present electric clock.
There will also be a master clock interface and a number of off-site flight information displays in hotels," he added.
The ES9112A SABRE32 Ultra ADC supports synchronous SPDIF or I2S master/slave output, or asynchronous I2S slave output relative to the master clock for up to 384kHz sample rate and consumes less than 200mW.
In mammals, daily rhythms such as sleep, hormone cycles and eating patterns are guided by a master clock in the brain whose rhythms are maintained in part by genes and patterns of light and darkness.
Our Master Clock is actually a system with dozens of independent free-running atomic clocks.
In most organisms, biological clockworks are governed by a master clock, referred to as the "circadian oscillator," which keeps track of time and coordinates our biological processes with the rhythm of a 24-hour cycle of day and night.

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