It is a broadband wireless system that operates by line of sight. Mirror site A site that is an exact copy of another but hosted on a different server elsewhere in the world. Mirror sites are used to spread the load on popular sites. Modem A device that enables a computer to send and receive information over a telephone line. Internal modems are circuit cards that are plugged straight into the computer's motherboard.
External modems are small electronic boxes attached to the serial port with a cable.
Network A group of computers or devices that are connected together for the exchange of data and sharing of resources. Online Currently connected to a host, opposite of offline. Referring to anything connected to a computer network. The master set of programs responsible for overseeing the basic hardware resources of a computer such as disks, memory, keyboard, screen, and CPU time. Unix, DOS, Windows, Macintosh System 7, and IBMs VM are examples of operating systems.