what is telecommunications

Telecommunications, also known as telecom, refers to the electronic exchange of information over significant distances by various means such as wired phones, cellphones, microwave communications, fiber optics, satellites, radio, television broadcasting, the internet, and telegraphs. It encompasses the transmission of data, voice, and video over a variety of technologies and systems. The telecommunication industry is responsible for providing and maintaining these communication services. The word "telecommunications" is derived from the Greek prefix "tele-" meaning "distant" and the Latin word "communicare" meaning "to share"