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© The scientific sentence. 2010


Technologie :
Smartphones
USB port





A USB port is a standard cable connection interface for personal computers and consumer electronics devices.

USB stands for Universal Serial Bus , an industry standard for short-distance digital data communications.

USB ports allow USB devices to be connected to each other with and transfer digital data over USB cables.



They can also supply electric power across the cable to devices that need it as a smartphone does.

Both wired and wireless versions of the USB standard exist, although only the wired version involves USB ports and cables.

What can we plug into a USB port?

Many types of consumer electronics support USB interfaces. These types of equipment are most commonly used for computer networking:

• USB network adapters
• USB broadband and cellular modems for Internet access
• USB printers to be shared on a home network

For computer-to-computer file transfers without a network, USB drives are also sometimes used to copy files between devices.


About Serial port


In computing, a serial port is a serial communication interface through which information transfers in or out one bit at a time, in contrast to a parallel port.






  


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