Universal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for communication and communication and power supply between computers and electronic equipment. [2]
USB was designed to standardize the PC connection (including keyboards, pointing devices, digital printers, portable media players and disks and network cards) for personal computers and cameras, both to communicate and supply of electric power. It has become commonplace on other devices, such as smart phones, PDAs and video games. [3] The USB effectively replaced a variety of earlier interfaces, such as parallel and serial ports, as well as separate power portable devices Shipping.
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