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Television (TV), sometimes edited to tele or telly, is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and sound. The term can concentrate on 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 sloppy experimental forms in the tardy 1920s, but it would still be several years before the supplementary technology would be marketed to consumers. After World achievement II, an bigger form of black-and-white TV broadcasting became well-liked in the associated Kingdom and associated 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 supplementary developed countries. The availability of fused 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 home upon their own epoch schedule. For many reasons, especially the ease of access of remote retrieval, the storage of television and video programming now occurs upon the cloud (such as the video on demand assistance by Netflix). At the stop of the first decade of the 2000s, digital television transmissions greatly increased in popularity. choice early payment was the distress from standard-definition television (SDTV) (576i, next 576 interlaced lines of utter and 480i) to high-definition television (HDTV), which provides a given that is substantially higher. HDTV may be transmitted in various formats: 1080p, 1080i and 720p. past 2010, afterward the invention of smart 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 in the future bulky, high-voltage cathode ray tube (CRT) screen displays when compact, energy-efficient, flat-panel stand-in technologies such as LCDs (both fluorescent-backlit and LED), OLED displays, and plasma displays was a hardware disorder that began past 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 expected to be gradually replaced by OLEDs. Also, major manufacturers have announced that they will increasingly produce smart TVs in the mid-2010s. smart TVs later than integrated Internet and Web 2.0 functions became the dominant form of television by the late 2010s.

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

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