2. Hubs A Hub is a hardware device that connects many computers of other devices to each other. Some information that is sent to the hub can be send to other computers of devices that are in the network. http://www.techterms.com/definitio n/hub

3. Bridges A Bridge connects LAN’s together. Like a bridge would connect two land masses together. The bridge is used by the data to travel to and from different LAN’s. http://www.techterms.com/defini tion/bridge

4. Switches A switch is a component which is used in a network and has a number of ports which stores the addresses of the devices in the network which are connected to each port. http://www.teach- ict.com/glossary/S/switch.htm

5. On-Line Online means to be connected to the internet (ex. Phone line or by Router). It also means to be switched on and connected to systems. http://www.techterms.com/definitio n/online

6. Off-Line Off-line means that the computer is switched off or not connected to any other computers. Off-Line also means not being connected to the internet. http://www.techterms.com/defin ition/offline