10 things you should know about USB 2.0 and USB 3.0
Here’s a useful article on the USB specification and how it works in Windows 7: http://www.techrepublic.com/blog/10things/10-things-you-should-know-about-usb-20-and-30/1265
Here’s a useful article on the USB specification and how it works in Windows 7: http://www.techrepublic.com/blog/10things/10-things-you-should-know-about-usb-20-and-30/1265