Question

how is clock speed calculated in computer

Answer 1

In the case of computer clock speed, one hertz equals one tick per second. The clock speed of computers is usually measured in megahertz (MHz) or gigahertz (GHz). One megahertz equals one million ticks per second, and one gigahertz equals one billion ticks per second.

Answer 2

IN MEGAHERTZ

AND GIGAMEGAHERTZ