USB connectors are standardized at the host, so any peripheral can use most available receptacles. The USB interface is self-configuring, eliminating the need for the user to adjust the device's settings for speed or data format, or configure interrupts, input/output addresses, or direct memory access channels. įrom the computer user's perspective, the USB interface improves ease of use in several ways: The Universal Serial Bus was developed to simplify and improve the interface between personal computers and peripheral devices, when compared with previously existing standard or ad-hoc proprietary interfaces. Further diagrams and discussion of plugs and receptacles can be found in the main article above. This section is intended to allow fast identification of USB receptacles (sockets) on equipment. 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, 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. 
12 Comparisons with other connection methods.
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