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Television (TV), sometimes shortened to tele or telly, is a telecommunication medium used for transmitting touching images in monochrome (black and white), or in color, and in two or three dimensions and sound. The term can deliver to a television set, a television show, or the medium of television transmission. Television is a enlargement medium for advertising, entertainment, news, and sports.

Television became straightforward in crude experimental forms in the late 1920s, but it would still be several years back the other technology would be marketed to consumers. After World act II, an improved form of black-and-white TV broadcasting became popular in the joined Kingdom and joined States, and television sets became commonplace in homes, businesses, and institutions. During the 1950s, television was the primary medium for influencing public opinion. In the mid-1960s, color broadcasting was introduced in the US and most extra developed countries. The availability of compound types of archival storage media such as Betamax and VHS tapes, high-capacity difficult disk drives, DVDs, flash drives, high-definition Blu-ray Discs, and cloud digital video recorders has enabled spectators to watch pre-recorded materialsuch as moviesat house on their own times schedule. For many reasons, especially the user-friendliness of remote retrieval, the storage of television and video programming now occurs upon the cloud (such as the video on demand sustain by Netflix). At the stop of the first decade of the 2000s, digital television transmissions greatly increased in popularity. unusual progress was the impinge on from standard-definition television (SDTV) (576i, taking into account 576 interlaced lines of fixed idea and 480i) to high-definition television (HDTV), which provides a definite that is substantially higher. HDTV may be transmitted in various formats: 1080p, 1080i and 720p. previously 2010, past the invention of intellectual television, Internet television has increased the availability of television programs and movies via the Internet through streaming video facilities such as Netflix, Amazon Video, iPlayer and Hulu.

In 2013, 79% of the world's households owned a television set. The replacement of ahead of time bulky, high-voltage cathode ray tube (CRT) screen displays behind compact, energy-efficient, flat-panel different technologies such as LCDs (both fluorescent-backlit and LED), OLED displays, and plasma displays was a hardware rebellion that began later computer monitors in the tardy 1990s. Most TV sets sold in the 2000s were flat-panel, mainly LEDs. Major manufacturers announced the discontinuation of CRT, DLP, plasma, and even fluorescent-backlit LCDs by the mid-2010s. In the near future, LEDs are received to be gradually replaced by OLEDs. Also, major manufacturers have announced that they will increasingly manufacture smart TVs in the mid-2010s. intellectual TVs considering integrated Internet and Web 2.0 functions became the dominant form of television by the late 2010s.

Television signals were initially distributed isolated as terrestrial television using high-powered radio-frequency transmitters to broadcast the signal to individual television receivers. Alternatively television signals are distributed by coaxial cable or optical fiber, satellite systems and, past the 2000s via the Internet. Until the into the future 2000s, these were transmitted as analog signals, but a transition to digital television is customary to be completed worldwide by the tardy 2010s. A enjoyable television set is composed of multiple internal electronic circuits, including a tuner for receiving and decoding push signals. A visual display device which lacks a tuner is correctly called a video monitor rather than a television.

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