master clock

Definitions

Computing

  • noun a timing signal to which all components in a system are synchronised

Electronics

  • In a computer, a circuit or device which provides a steady stream of timed pulses. This clock serves as the internal timing reference of a digital computer, upon which all its operations depend. Also known as main clock, or system clock.
  • A clock which generates pulses which control other clocks, or help maintain their accuracy.
  • A clock which generates pulses which control other devices, equipment, or systems.
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