Internet works on packet switching.What is packet switching?

Answer 1

A mode of data transmission in which a message is broken into a number of parts which are sent independently, over whatever route is optimum for each packet, and reassembled at the destination.

Answer 2

like package handled by post office system. all your data are packaged according to some rule( called protocol), then transmit to switching(like post office) to route to receiver device, then unpackage, get your data.

Answer 3

thanks @ karlxu