I saw on the board that there were two things that looked like a processor. I know that the bigger one is the processor but what is the smaller one? I don't remember what is written on it but I hope someone can include it in their answer.
Not sure what you are asking about but here is the low level breakdown of what is on the Pi.
And here is the descriptive layout
You can find out more about the Raspberry Pi on Wikipeda and searching the internet using your favourite search engine.