USB standsfor Universal Serial BusIn computers, a bus is a subsystem that transfers data or power between computer components inside a computer or between computers. A bus can connect multipleperipherals using the same set of cables.The USB 2.0 specification was released in April 2000.Also known as Hi-Speed USB, USB 2.0 is an external bus that supports data transfer rates up to 480Mbps.USB 2.0 is an extension of USB 1.1, uses the same cables and connectors and is fully compatible with USB 1.1.Hewlett-Packard, Intel, Lucent, Microsoft, NEC and Philips together took the initiative to develop a data transfer rate higher than the USB 1.1 to meet the needs of bandwidth of the new technologies.Gadgets
A gadget is a device that has a purpose and a specific function, usually of smallproportions, practical and yet innovative. The gadgets tend to be more clever design than the current technology.
