| A | B |
| Network | two or more computer systems linked together |
| LAN | two more more connected computers sharing certain resources |
| WAN | two or more LANs linked by telephone lines and dedicated phone lines |
| Web feed | receive updates from your favorite web sites |
| Podcast | subscribe to a series of audio or video files, download to your computer |
| VoIP | Internet telephone |
| Social networking | online service allows people to interact and stay connected |
| Streaming | watch a movie online which downlaods while playing |
| Blog | web site usually updated with news articles |
| Online chat | communicate in real time |
| E-mail | sending and receiving messages online |
| Wiki | web site which is edited or created by anyone |
| Server | serves many different computers in a network |
| Client | communicates with the server to get information |
| ARPAnet | founding the Internet |
| URL | Uniform Resource Locator |
| Tim Berners-Lee | created World Wide Web |
| Internet | largest Wide Area Network |
| Peer-to-Peer | acts as both server and client |
| Facebook | example of Social Networking |
| Skype | example of Internet telephone |
| Wikipedia | example of wiki |
| Social bookmarking | users share and rate interesting sites |
| Digg | example of social bookmarking |