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 connection, communication, and power supply between computers and electronic devices....!!!
# USB was designed to standardize the connection of computer peripherals to personal computers....!!
# Infact both to communicate and to supply electric power...!!!
# It has become commonplace on other devices, such as smartphones, PDAs and video game consoles...!!
# USB has effectively replaced a variety of earlier interfaces, such as serial and parallel ports, as well as separate power chargers for portable devices...!!
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