A graphics file format compression system that can reduce the size of graphics. Sometimes the compression is over 90 percent. LAN Local Area Network. A network of computers in the same building or in nearby buildings. Leased Line A telephone line providing a full-time connection between two points priced at a monthly fee.
Faster lines are digital with special equipment at each end.
MAN Metropolitan Area Network. A network of computers, LANs and CANs used by a metropolitan area. Modem A hardware device that lets your computer transmit and receive information from other computers with modems over the conventional phone lines. This is a common way for end-users with PCs or Macs to access the Internet. A network allows users to share several different computer resources.