How does a console work?

[hentaiaru]

That is a pretty general question, I think you need to detail on what're you asking about. You could do books on how a console work.

Uh no. Not books. Thats too wide... unless your idea is that all consoles are working on different modules and system in data delivery.

Even that...

I have written what i want to know.
Like how is a bios written? Where is it written?
I dont see texts in the chip or motherboards of that size .

Where is the information memory happening? And how is it stored.