What is the definition and a sentence for the word gigahertz?

Answer 1

the definition of gigahertz is " a billion of cycles" and a sentence would be: A gigahertz is most commonly used to measure processor speed.( like computer processor speed)

Answer 2

Gigahertz is a unit of frequency equivalent to one billion hertz, commonly used to measure the clock speed of a computer processor.
Example: The new computer processor operates at a speed of 3 gigahertz, making it faster than the previous model.