By "byos" do you mean BIOS? If so, that's something a lot of people don't know about, actually. Computers have too many acronyms. Every time I see the word bios, I think of BIOS, which stands for "Basic Input/Output System." I'm such a computer nerd. XD
As long as you know how to do whatever you need to do on a computer, you should be fine. Only problem with that, is if something goes wrong.