television (TV), a form of mass media based on the electronic delivery of moving images and sound froma source to a receiver. By extending the senses of yision and hearing beyond the limits of physical distance.television has had a considerable influence on society. Conceived in the early 2oth century as a possiblemedium for education and interpersonal commumication, it became by mid-century a vibrant broadcastmedium, using the model of broadcast radio to bring news and entertainment to people all over the world.Television is now delivered in a variety of ways: “over the air" by terrestrial radio waves (traditionalbroadcast TV); along coaxial cables (cable TV); reflected off of satellites held in geostationary Earth orbitdirect broadcast satellite, or DBS, T): streamed through the Internet: and recorded optically on digitavideo discs (DVDs) and Blu-ray discs.
television (TV), a form of mass media based on the electronic delivery of moving images and sound froma source to a receiver. By extending the senses of yision and hearing beyond the limits of physical distance.television has had a considerable influence on society. Conceived in the early 2oth century as a possiblemedium for education and interpersonal commumication, it became by mid-century a vibrant broadcastmedium, using the model of broadcast radio to bring news and entertainment to people all over the world.Television is now delivered in a variety of ways: “over the air" by terrestrial radio waves (traditionalbroadcast TV); along coaxial cables (cable TV); reflected off of satellites held in geostationary Earth orbitdirect broadcast satellite, or DBS, T): streamed through the Internet: and recorded optically on digitavideo discs (DVDs) and Blu-ray discs.