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

Television became genial in slipshod experimental forms in the tardy 1920s, but it would nevertheless be several years past the supplementary technology would be marketed to consumers. After World warfare II, an bigger form of black-and-white TV broadcasting became popular in the allied Kingdom and united 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 additional 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 viewers to watch pre-recorded materialsuch as moviesat house upon their own times schedule. For many reasons, especially the ease of understanding of standoffish retrieval, the storage of television and video programming now occurs on the cloud (such as the video upon request relieve by Netflix). At the stop of the first decade of the 2000s, digital television transmissions greatly increased in popularity. unorthodox expand was the distress from standard-definition television (SDTV) (576i, past 576 interlaced lines of conclusive and 480i) to high-definition television (HDTV), which provides a total that is substantially higher. HDTV may be transmitted in various formats: 1080p, 1080i and 720p. past 2010, bearing in mind the invention of intellectual television, Internet television has increased the availability of television programs and movies via the Internet through streaming video services such as Netflix, Amazon Video, iPlayer and Hulu.

In 2013, 79% of the world's households owned a television set. The replacement of beforehand bulky, high-voltage cathode ray tube (CRT) screen displays past compact, energy-efficient, flat-panel stand-in technologies such as LCDs (both fluorescent-backlit and LED), OLED displays, and plasma displays was a hardware revolution that began in imitation of computer monitors in the late 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 usual to be gradually replaced by OLEDs. Also, major manufacturers have announced that they will increasingly manufacture intellectual TVs in the mid-2010s. intellectual TVs afterward integrated Internet and Web 2.0 functions became the dominant form of television by the tardy 2010s.

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

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