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Universal Serial Bus (USB) technology is one of the ways to connect devices to computer. USB can be used to connect mouse, keyboard, Printers, Scanners and other devices to computer. One of the main feature of USB is it does not need rebooting of computer once the device is connected. Also it allows us to disconnect without turning off the computer. The Third generation Universal Serial Bus USB 3.0 has been established on November 2008. USB 3.0 is the new USB which is used to transfer data. USB 3.0 transfers data 10 times faster than USB 2.0. USB 3.0 transfers data at the rate of 4.8 GB per Sec.

For example USB 2.0 takes 15 minutes to copy 27 GB HD video, whereas USB 3.0 copies within 90 seconds. The cabling of USB 3.0 has been designed with optical cables which help to increase the speed of data transfer. It has new power management features. USB 3.0 is backward compatible with USB 2.0 devices. Windows 7 and Windows Vista operating systems support USB 3.0, Mac also supports USB 3.0. USB 3.0 can enable applications like high resolution webcams, Video surveillance cameras, and Digital Video cameras. USB 3.0 may take time to replace USB 2.0 let us wait and see the results.