What is USB port

This port is used to connect peripheral devices like external hard disk, mouse, keyboard, digital camera etc. It is of the following types: USB 1.0 Its data read and write speed is 183 kB/s which is quite low Now let's talk about USB 2.0 which has a speed of 480 MBps which is a much higher speed than USB 1.0 And now let's talk about USB 3.0 which is a completely new technology whose transfer speed is 5GBps which means 640MBps which is ultra fast.