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Global network consisting of thousands of public and private networks of varying sizes; it is linked by a set of standard communications protocols.
Telephone or cable communications link reserved for one use or for a specific user.
Interconnecting device that transmits data between two or more networks by determining the best path for them.
microwave relay station
Facility that receives and amplifies signals transmitted in the form of microwaves and relays them to another receiver.
Person using the Internet.
Device that converts digital signals into analog signals so that computers can communicate with each other over telephone lines.
Linking of two off-site devices by cable within a telephone network.
Small workstation or microcomputer designed for stationary use.
Software used to format, send and receive messages over the Internet.
Software used to search and consult Internet sites.
Linking of off-site devices by underwater cable.
Modem used to connect a computer to the Internet over a cable line.
Linking of two off-site devices by cable within a cable network.
Communications server that provides subscribers with remote connection to the Internet.
Internet service provider
Company that is permanently connected to the Internet; it provides individuals and organizations with access to various Internet services.
Computer that hosts various resources (including files, applications and databases) and places them at the disposal of all the devices connected to the network.
satellite earth station
Facility that transmits radio waves to a satellite and receives radio waves from a satellite.
Satellite designed and placed into geostationary orbit to ensure long-range reception and transmission of signals in the form of radio waves.