What's a CPU made of? What's the difference between a CPU and a GPU? Read our layman's overview of the central processing unit, or CPU.

Block diagrams are clear, simple diagrams showing all of the input, process and output elements that make up the system being designed. They are easy to read and show how the circuit will work.

A review of server power supply unit (PSU) design outlines future trends in power density, efficiency, control, and thermal performance.