Gigahertz is the correct answer I believe.
My processor is a i5-6600k with 3.5ghz so assuming GHz is the speed I believe it would be gigahertz
Answer:
Proved
Explanation:
Given


Required
Find out why they represent the same
To do this, we simplify either
or 
In this question, I will simplify

Apply de morgan's law

Apply distribution property

To simplify, we apply the following rules:
--- Inverse law
--- Inverse law
So, the expression becomes


Rewrite as:

From the given parameters:

This implies that:
when simplified is X or 