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Television, often abbreviated as TV, is an electronic medium used for transmitting moving images and sound, and for receiving them. It is a significant part of modern communication and entertainment. The term television is derived from the Greek words "tele," meaning "far," and "vision," meaning "sight." Television technology was first developed in the early 20th century, with the first public demonstration occurring in 1926. The first television broadcast was in 1936, and the first color broadcast was in 1954.

Television operates by transmitting visual and audio signals from a broadcasting station to a receiver, such as a television set. The signals can be transmitted via various means, including over-the-air broadcasts, cable television, satellite television, and internet streaming. Each method has its own advantages and disadvantages in terms of signal quality, accessibility, and cost.

Television programming encompasses a wide range of genres, including news, sports, entertainment, education, and public affairs. It serves as a platform for both commercial advertising and public service announcements. The industry has evolved significantly over the years, with the advent of digital television, high-definition (HD) and ultra-high-definition (UHD) broadcasts, and the rise of streaming services.

Television has had a profound impact on society, influencing culture, politics, and daily life. It has shaped public opinion, facilitated the spread of information, and provided a means for people to relax and entertain themselves. Despite the rise of digital media and streaming services, traditional television remains a popular and essential form of media.