Universal Serial Bus Universal port for connecting devices. Up to 127 devices can be connected to a single controller. Versions with their data transfer speed: USB 1.0 - "low speed USB": 1.5 Mbit/s USB 1.1 - "full speed USB": 12 Mbit/s USB 2.0 - "hi-speed USB": 480 Mbit/s USB 3.0 - "superspeed USB": 5 Gbit/s
A word invented from "picture element". Is the basic unit of programmable color on a computer display or in a computer image. The physical size of a pixel depends on how you've set the resolution for the display screen.