System Clock
One of the fundamental concepts behind discrete time is an implied (actual or hypothetical) system clock. If one wishes, one might imagine some atomic clock to be the de facto system clock.
Read more about this topic: Discrete Time
Famous quotes containing the word system:
“We now come to the grand law of the system in which we are placed, as it has been developed by the experience of our race, and that, in one word, is SACRIFICE!”
—Catherine E. Beecher (1800–1878)