ADSL
Asymmetric Digital Subscriber Line A high-speed connection that sends data over existing copper phone lines.  ADSL provides download speeds of up to 1 million bits per second --that's 35 times faster than a standard 28.8Kbps modem connection.

Anonymous FTP
An FTP session that does not require a user ID and password you simply use Anonymous as your log in name.

Anti-Virus Software
Software written specifically to combat harmful viruses. Anti-Virus software seeks and removes viruses from your computer. Norton AntiVirus and McAfee VirusScan are two popular Anti-Virus programs that are compatable with most computers.

Applet
A small Java program.

ASCII
American Standard Code for Information Interchange: This is a global standard of code numbers, used by computers to represent all upper and lower-case letters, numbers, and punctuation.

Autoresponder
A feature that sends an automated reply to incoming email. For example, when customers send email to your sales@yourdomain.com address, an autoresponder can send a standard message back to them.