As a unitless unit, when people talk about hz they almost never mean just hz. In the case of computing, "hz" is always shorthand for cycles per second e.g. a 2

As a unitless unit, when people talk about hz they almost never mean just hz. In the case of computing, "hz" is always shorthand for cycles per second e.g. a 2 Ghz computer is 2 billion cycles per second.