What does ghz mean in computer terms?

GHz is most commonly used in computer lingo when discussing a processor's speed. Hz (Hertz) literally means one wave or cycle per second. So 1 GHz (Giga-Hert) is 1 Billion cycles per second. It's a measure of the clock speed of the processor. The more GHz that a computer has, the faster it runs. All things being equal, a machine with a 2 GHz processor will run twice as fast as a machine with a 1 GHz processor.

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