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

Television became understandable in clumsy experimental forms in the late 1920s, but it would nevertheless be several years before the new technology would be marketed to consumers. After World proceedings II, an bigger form of black-and-white TV broadcasting became popular in the allied 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 hard 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 home upon their own epoch schedule. For many reasons, especially the user-friendliness of distant retrieval, the storage of television and video programming now occurs upon the cloud (such as the video upon demand bolster by Netflix). At the end of the first decade of the 2000s, digital television transmissions greatly increased in popularity. unorthodox go forward was the have emotional impact from standard-definition television (SDTV) (576i, subsequently 576 interlaced lines of unquestionable and 480i) to high-definition television (HDTV), which provides a resolution that is substantially higher. HDTV may be transmitted in various formats: 1080p, 1080i and 720p. before 2010, afterward the invention of smart 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 prematurely bulky, high-voltage cathode ray tube (CRT) screen displays like compact, energy-efficient, flat-panel every other 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 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 close future, LEDs are received to be gradually replaced by OLEDs. Also, major manufacturers have announced that they will increasingly manufacture intellectual TVs in the mid-2010s. smart TVs next integrated Internet and Web 2.0 functions became the dominant form of television by the tardy 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, previously the 2000s via the Internet. Until the at the forefront 2000s, these were transmitted as analog signals, but a transition to digital television is time-honored to be completed worldwide by the tardy 2010s. A conventional television set is composed of combination 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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