Because the FireWire port offers more bandwidth than USB (however the USB 3 standard has changed that)
Universal Serial Bus (USB) is a serial bus standard to interface devices to a host computer.
The USB part stands for Universial Serial Bus.
A Computer Bus is usually the USB Ports, and there used for USB Plugging things.
USB mean is "Universal Serial Bus."
The Voltage at which the USB Drive works at.
USB mode is a Universal Serial Bus mode.
USB= Universal Serial Bus
USB stands for Universal Serial Bus.
U.S.B. is an acronym for Universal Serial Bus.
The full form of USB is Universal Serial Bus.
The audio bus, USB bus, HDD bus...
A keyboard which is connected to the computer by use of a USB cable