A PC AIO I'm looking at (won't be getting a Mac after all) has 4 USB 2.0 ports and 2 USB 3.0 ports. What do 2.0 and 3.0 mean?
Also, will a "Slim Tray Super Multi DVD Burner" burn CDs? I've burned plenty of CDs with my present Dell, but it won't burn a DVD.
It takes a lot of time to be a genius, you have to sit around so much doing nothing. – Gertrude Stein