| A | B |
|---|
| BTW | An acronym often used in e-mail messages and chat sessions to mean:"by the way." |
| control panel | A window you can open to adjust various aspects of your computer, such as the volume, fonts, desktop background, mouse speed, and clock. |
| DNS | Domain Name System. This is a service that stores, translates, and retrieves the numerical address equivalents of familiar host names that you use everyday (such as the "www.4teachers.org" in http://www.4teachers.org). |
| firewall | Hardware and/or software that separates a Local Area Network (LAN) into two or more parts for security purposes. |
| host | The name given to any computer directly connected to the Internet |
| Linux | An operating system that is a UNIX clone |
| plug-in | A small piece of software that adds features to already existing, usually large, programs. |
| QBE | Query By Example. A search method for databases in which the user fills out the form by following the examples given. |
| sysop | Systems operator. A person responsible for the operations of a computer system or network. |
| T-1 | One of the fastest leased-line connections used for the Internet. It is capable of transmitting data at roughly 1.5 million bits per second, still not fast enough for full-screen, full-motion video. |
| UNIX | A multi-user operating system that was used to create most of the programs and protocols that built the Internet. |
