Universal Serial Bus is an industry-standard used to define the cables, connectors and communication protocols used in a bus for connection, communication and power supply between computers and electronic devices.
USB was designed to support data transfer and supply electric power between peripheral devices such as a mouse, keyboard, printer, portable media players, disk drive etc.
USB was developed in 1994 by a group of seven companies. Compaq, DEC, IBM, Microsoft, Intel, NEC, and Nortel. It was developed to make easy to connect external devices to a PC. A USB device can be used across multiple platforms like Windows, Mac, and Linux.
How to connect a USB device with a Computer
It is very simple to connect a USB device to computers. Just insert the USB device in the computer’s USB port and it will detect the device and start working. It does not ask for rebooting your computer when inserted. Universal Serial Bus Drive is the most commonly used USB device.
There are three basic sizes of USB connectors:
- Standard size
- Mini size
- Micro size