What is a CPU?
So what is a CPU, it stands for central processing unit, think of it as the brain of the computer. Other names that it has are processor or microprocessor. This component is responsible for executing programs. There are two brands that you will be looking for when building a computer which are AMD and intel.
Core i3 8100
I decided to go with the i3 8100 processor for this build. its a great decision for a budget PC route and is a reliable piece.