| A | B |
|---|
| Intranet | An Internal Website |
| Internet | The World Wide Web |
| Extranet | Internal network available to outsiders |
| WAN | Wide Area Network - other cities |
| LAN | Local Area Nerwork - Your City |
| ISP | Internet Service Provider |
| TCM | Television Cable Modem |
| ADSL | Digital Subscriber Line |
| DirecPC | Satellite ISP |
| ISDN | Direct digital phone line to internet |
| Analog Modem | Modulator-Demodulater Phones |
| Cable Modem | Modulator-Demodulator for Cable TV |
| Router | Secure Modem |
| Hub | Hooks more computers to network |
