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<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="content-type"><title>USB</title></head>
<body><h1><a name="USB"></a>USB</h1>Universal Serial Bus (USB) is a
popular wired mechanism for data transfer between two electronic
devices like computers and cellphones. A USB is more
efficient than other mechanisms like Bluetooth because it consumes less
power and the data can be transferred at a higher rate.<br><br>The 2.0
version of USB has a data rate of 480Mbps, which is 40 times faster
than USB 1.0 or 1.1 versions of 12Mbps speed. The USB 2.0 ports are
also backward compatible with 1.0 or 1.1. You can also charge devices
like mobile phones by connecting them to a PC via USB.<br><br>See Also<br><span style="font-weight: bold;"><span style="text-decoration: underline;"></span></span><a href="http://en.wikipedia.org/wiki/Universal_Serial_Bus">Universal Serial Bus</a></body></html>