Hub

  1. When referring to a network, a hub is a basic networking device that connects multiple computers or other network devices together.
  2. D-Link 7-port USB HubIn general, a hub refers to a hardware device that enables multiple devices or connections to be connected to a computer. Another example besides the one given above is a USB hub, which allows dozens of USB devices to be connected to one computer, even though that computer may only have a few USB connections. In the picture to the right, is an example of a USB hub.

Also see: Bridge, Cascading hubs, Network definitions, Router, Switch