The Universal Serial Bus or Universal driver in series is a type of port created in 1996 by a conglomerate of seven companies. Among them, IBM, Intel, Northern Telecom, Compaq, Microsoft, Digital Equipment Corporation and NEC.
USB port works as a device that facilitates the connection of peripherals and accessories to a computer, allowing the easy exchange of data and the execution of operations. Typically, devices that use USB can be keyboard, mouse, printer, mobile phones, cameras, photographic or video, external hard drives, multimedia players, audio and video, scanners and a variety of other cards.
For use on occasions is necessary installing a software which helps the computer recognizes the new device and use discretion. In other cases, called them "plug-n-play", i.e., that with only connecting them with USB port already is running and connected to the computer.
Most USB devices, in addition, include a standard of electric transmission which allows them to get power supply while they are connected to a PC or computer.
This type of ports has grown widely in popularity because it is cheap and easy, and helps to save time and cost when, for example, has many peripherals that are often connected to a computer. At the same time, all the computers on the market tend to have one or more USB ports to allow you to connect several devices at the same time. In this way, a user can connect not only the mouse and keyboard, but also cameras and mobile phones for data exchange. Another case, in addition, is that allows to transfer information to hard drives or external memories, freeing space on the computer's fixed memory and transporting these data to other computers.
Article contributed by the team of collaborators.