| A | B |
| ARPA | Advanced Research Project Industry |
| ARPAnet | the forerunner of the Internet |
| bookmark | saves a network site for easy return |
| CERN | developed the World Wide Web in the late 1980s |
| download | to transfer a program from a remote computer to yours |
| gigabyte | one billion bytes |
| HTTP | hypertext transfer protocol |
| link | short for hyperlink, takes you to a different location on the Internet |
| megabyte | one million bytes |
| multimedia | combines text, sound, graphics, and/or video |
| offline | not connected to the Internet |
| online | connected to the Internet |
| netiquette | code of rules that govern behavior on the Internet |
| site | a collection of related Web pages |
| surf | slang for "to browse the Internet" |
| uploading | to transfer a file from your computer to a remote computer |
| WWW | World Wide Web |
| internet | large computer network that makes global e-mail possible |
| ISP | Internet Service Provider, the service that provides the Internet access |