How Modern CPUs Work
 

A Central Processing Unit is one of the major components of a computer. The CPU controls logic flow and other control type operations. There are many different things inside a modern CPU. How it works is what we are after today.

Link: http://www.aselabs.com/articles.php?id=167

i thought that was quite complicated, but then some guy replied that he should have gone a bit more in depth, but i guess they study these kind of things