USB

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'''Reference''' '''Reference'''
-# Wikipedia See '''''IEEE 1394''''' [http://en.wikipedia.org/wiki/IEEE_1394_interface]+# Wikipedia See '''''USB''''' [http://en.wikipedia.org/wiki/USB]
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Revision as of 09:34, 18 August 2009

Universal Serial Bus (USB) is a serial bus standard to connect devices to a host computer. USB was designed to allow many peripherals to be connected using a single standardized interface socket and to improve plug and play capabilities by allowing hot swapping; that is, by allowing devices to be connected and disconnected without rebooting the computer or turning off the device. Other convenient features include providing power to low-consumption devices, eliminating the need for an external power supply; and allowing many devices to be used without requiring manufacturer-specific device drivers to be installed.


Inside a USB cable: There are two wires for power -- +5 volts (red) and ground (brown) -- and a twisted pair (yellow and blue) of wires to carry the data. The cable is also shielded.
Inside a USB cable: There are two wires for power -- +5 volts (red) and ground (brown) -- and a twisted pair (yellow and blue) of wires to carry the data. The cable is also shielded.
USB mini
USB mini

Image:USB cable normal.jpg

Reference

  1. Wikipedia See USB [1]

Also See:


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