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The Universal Serial Bus, popularly known as USB is a standard for
peripheral devices that was invented in 1994. The main aim behind the
invention of USB is to make easy connections of external devices to PCs
by replacing the huge number of different connectors at the back of the
PC. USB is used to connect any kind of peripheral to the PC like the
printers, mice, keyboards, digital cameras and media players like
external hard drives, flash drives and DVD players. USB became the
standard mode of connectivity for these peripherals.
The USB 1.0 specification was first introduced in 1996 with Standard-A
and Standard-B plugs and receptacles. Then arrived the USB 2.0
specification which was released in 2000 with some specifications added
like the Mini-B plugs and receptacles. It was some time back that USB
3.0 was introduced in 2009 that offers faster data transfer rates than
its predecessor. USB nowadays have become a common feature in almost all
the computers because of the advantages that it has to offer for your
PC.
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