Question

Moving your cpu's speed beyond its normal operating range is called

Answer 1

Hi

Moving your cpu's speed beyond its normal operating range is called Over Clocking.

Over Clocking is your answer.

Answer 2

Moving your cpu's speed beyond its normal operating range is actually known as Over Clocking.

It is the action of increasing the clock rate of the component, working it at the increased speed than it is actually designed to work.  

It is commonly applies to the GPU or CPU, but remaining components are also overclocked.