Considered more stable than a SLIP connection. An agreed upon set of rules by which computers exchange information. An Internet Service Provider, or ISP . A server between you and the Internet which provides an extra layer of security called a firewall. Usually, your ISP does this to a minimal degree.
Some schools run all computers through a filter on a proxy.
A proxy can also store your browser history and cache files if you do not have enough hard drive space. A common video file format created by Apple Computer. Video files found on the Internet are often stored in the QuickTime format - they require a special viewer program for playback. With shareware , when you contact the vendor and pay for the product, you are registering . In return, you will receive either a password to turn off the nag notices or a copy of the full commercial version.