What is clock speed and clock cycle?

Clock speed is the term that refers to the number of changes in voltage in one second. For instance, 1 GHz means that the actually voltage across the component in question has a power supply that switches from 0 volts to 5 volts, and back to 0 volts, 1 giga (10^9) times every second.


Clock cycle simply refers to a single transition from 0 volts to 5 volts and back.

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