• When referring to a computer processor or CPU, GHz is a clock frequency, also known as a clock rate or clock speed, representing a cycle of time. An oscillator circuit supplies a small amount of electricity to a crystal each second that is measured in KHz, MHz, or GHz. “Hz” is an abbreviation of Hertz, and “K” represents Kilo (thousand), “M” represents Mega (million), and “G” represents Giga (thousand million). 1


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