USB

USB is the Universal Serial Bus. As its name indicates, it is intended to be a universal way of connecting external devices to a computer. View this movie to learn more about USB. The movie requires Apple QuickTime.

USB Devices

Keyboards
Mice
Digital Cameras
Scanners
Printers
Graphics Tablets
Keychain Drives
External Hard Drives and Optical Drives (CD and DVD)
Audio Interfaces
Music Players
Digital Speakers
Computer Telephony Devices (Phones, Call Centers)
Digital Headsets
Fingerprint Scanners
Joysticks

USB Advantages

Universal support on new computers (Windows and Macintosh)
Hot-swappable (don't have to turn computer off before attaching a USB device)
Multiple devices can be daisy-chained to computer.
Some devices can draw power over USB cable.

USB Tips

Use a USB keychain drive to replace multiple floppies. It is faster, more reliable, and cheaper per megabyte of storage.
If you need additional USB ports, buy a USB hub. This connects to your computer by USB and provides additional USB ports.
Never use a USB cable to connect two computers directly together. This will damage the computers' power supplies and possibly cause a fire.