For Web audio and video, higher bitrates translate into higher quality because more data is being transferred. Buffering The process of storing enough streaming audio or video into memory so that it can play continuously. Cookie A small text file on your computer that stores information about your preferences and settings with regard to a specific Web site. The technology uses copper wiring that already exists in most phone lines to transmit data at much higher speeds than is possible with a standard modem. Firewall A combination of hardware and software that is used to protect a local network from attack through the Internet.
Public data is available outside the firewall, while more sensitive material is protected inside.
ISP Internet Service Provider. This is a company that provides customers with access to the Internet. Your modem is the device that allows your computer to communicate or share information with other computers over telephone lines. When the Internet has lots of users trying to access lots of Web sites, it can become clogged. Some information must slow down or wait for other information to be transferred before a path becomes clear.