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Television (TV), sometimes reduced 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 refer to a television set, a television show, or the medium of television transmission. Television is a growth medium for advertising, entertainment, news, and sports.

Television became handy in slipshod experimental forms in the tardy 1920s, but it would still be several years before the extra technology would be marketed to consumers. After World combat II, an enlarged form of black-and-white TV broadcasting became well-liked in the joined 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 other developed countries. The availability of merged 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 upon their own become old schedule. For many reasons, especially the openness of proud retrieval, the storage of television and video programming now occurs on the cloud (such as the video upon demand help by Netflix). At the end of the first decade of the 2000s, digital television transmissions greatly increased in popularity. complementary go ahead was the influence from standard-definition television (SDTV) (576i, when 576 interlaced lines of unmovable and 480i) to high-definition television (HDTV), which provides a fixed idea that is substantially higher. HDTV may be transmitted in various formats: 1080p, 1080i and 720p. before 2010, subsequent to 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 in the future bulky, high-voltage cathode ray tube (CRT) screen displays following 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 with 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 close future, LEDs are established to be gradually replaced by OLEDs. Also, major manufacturers have announced that they will increasingly develop smart TVs in the mid-2010s. intellectual TVs following 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 shout from the rooftops the signal to individual television receivers. Alternatively television signals are distributed by coaxial cable or optical fiber, satellite systems and, in the past the 2000s via the Internet. Until the beforehand 2000s, these were transmitted as analog signals, but a transition to digital television is time-honored to be completed worldwide by the late 2010s. A usual television set is composed of fused internal electronic circuits, including a tuner for receiving and decoding publicize signals. A visual display device which lacks a tuner is correctly called a video monitor rather than a television.

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