| A | B |
| ROM | Read Only Memory |
| UNIX | A operating system used on servers |
| RAM | Random Access Memory |
| LINUX | A new operating system based on UNIX |
| Ethernet | A networking technology used by many schools and businesses |
| Operating System | a program that runs all the other programs on a computer |
| Windows | Graphic user operating system used by PC's |
| LAN | Local Area Network |
| MacOS | The Macintosh operating system |
| WAN | Wide Area Network |
| Wireless Router | A device used to connect computers to the internet without wires |
| WiFi | The most common type of wireless network |