![]() The connectors the USB committee specifies support a number of USB's underlying goals, and reflect lessons learned from the many connectors the computer industry has used. USB connectors have been increasingly replacing other types as charging cables of portable devices. Examples of peripherals that are connected via USB include computer keyboards and mice, video cameras, printers, portable media players, mobile (portable) digital telephones, disk drives, and network adapters. It has largely replaced interfaces such as serial ports and parallel ports, and has become commonplace on a wide range of devices. USB was designed to standardize the connection of peripherals to personal computers, both to communicate with and to supply electric power. The four generations of USB are: USB 1.x, USB 2.0, USB 3.x, and USB4. ![]() A broad variety of USB hardware exists, including 14 different connector types, of which USB-C is the most recent.įirst released in 1996, the USB standards are maintained by the USB Implementers Forum (USB-IF). ![]() Universal Serial Bus ( USB) is an industry standard that establishes specifications for cables, connectors and protocols for connection, communication and power supply (interfacing) between computers, peripherals and other computers.
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