The Full Form of USB is Universal Serial Bus. USB is an industry standard used to connect, cables and communication protocols. It is used for fast communication, connection and power supply between computers, laptops and electronic devices. USB is also a "Plug and Play" because sometimes it is used to store data and transfer from one computer to another. USB was specially designed to support data transfer electricity between peripheral devices such as keyboard, mouse, printer, portable media players, disk drive etc.
In 1994 it was developed by group of 7 companies such as IBM, Intel, Microsoft, NEC, and Nortel. Their goal was to make it easier to connect external devices with PC. It is very easy to connect USB device with computer and laptop. Just in insert the USB device in the port of computer or laptop, it will automatically start working.
There are 3 sizes of USB connectors.
There are some other full form of USB used on different topics.
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