Internet Hardware

Internet Hardware

1. ISP

   • Campany that provides you with an internet service.
     • Internet connection
     • provide you with a softwre package,a username and password.

2. LAN & WAN

   • LAN-A network of digital device which is located in a small geographical area.
     • several device can be connected to a printer.
   • WAN-A network of digital deice that is connected over a large geogaphical area.
     • consist of many Lan joined together by router.
     • More expensive tan LAN
     • Iternet is the largest WAN

3. Router & Modem

   • Modem-A device that provide access to network.
     • Modem-When modem connected to router and your device that connect to the router,all device is connected to modem and therefore the internet.
   • Router-Allow multiple cmputer to join the same network
     • Router-Connecting a device to he router provides a access to LAN.
       • Router need to be connected to the modem in order for device on the network to connect to thhe internet.

4. Firewall

   • A network sercurity that controls the incoming and outgoing network traffic.
     • A barrier than seperates trusted and untrusted network

5. IP Address

   • Way to for your computer to communicate with the internet.
     • The size of it is 4 byte but they are divided into 4 parts each 8 bitx.