Definition & Meaning of "gigahertz"

What is "gigahertz"?

Gigahertz (GHz) is a unit of measurement for frequency, representing one billion cycles per second. It is commonly used to describe the speed or processing power of electronic devices, such as computer processors, or the frequency of wireless signals, like Wi-Fi and radio waves. In computing, a higher gigahertz value usually indicates a faster processor, while in communication, it defines the frequency band used for transmitting data. This measurement helps determine the efficiency and performance of various technologies.