Dec 10, 2025 · Communication - Models, Process, Channels: Fragmentation and problems of interdisciplinary outlook have generated a wide range of discussion concerning the ways in …

As is noted in the introduction to this article, modern telecommunications systems employ three main transmission media: wire, radio, and optical. They are discussed in turn in the following …

Jan 2, 2026 · For details on specific applications that utilize telecommunications systems, see the articles telephone, telegraph, fax, radio, and television. Transmission over electric wire, radio …

Dec 10, 2025 · Communication, the exchange of meanings between individuals through a common system of symbols. This article treats the functions, types, and psychology of …

Communications systems are of growing significance and complexity in commercial, institutional, and industrial buildings. Thus communications wires for telephones, public-address systems, …

Nov 23, 2025 · Telecommunication - Multiplexing, Signals, Networks: Because of the installation cost of a communications channel, such as a microwave link or a coaxial cable link, it is …

Nov 11, 2025 · data transmission, sending and receiving data via cables (e.g., telephone lines or fibre optics) or wireless systems.

Cisco Systems grew rapidly in the early 1990s. The company introduced the improved 7000 model router in 1993, and that same year it began acquiring other companies. Its first …

The need for communication between the homelands and many far-flung theatres of war gave rise to the need for improved long-range overseas communication systems.

There are four basic elements in a computerized traffic control system: computer (s), communications devices, traffic signals and associated equipment, and detectors for sensing …