|Yep, I had a belly full of questions like this when I was in school. Oh how I DON'T miss those days..........LOL|
My last computer course was in 2000/2001 and I had the advantage of internet at home.
This IS a simple question and would take me about 5 min's to get the answers on google.
Just because I'm feeling helpful today, I will say this:
Google mobile networks definition and then google data transfer rates