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

Television became friendly in clumsy experimental forms in the late 1920s, but it would nevertheless be several years back the new technology would be marketed to consumers. After World warfare II, an greater than before form of black-and-white TV broadcasting became well-liked 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 new 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 on their own era schedule. For many reasons, especially the convenience of unfriendly retrieval, the storage of television and video programming now occurs on the cloud (such as the video on request serve by Netflix). At the stop of the first decade of the 2000s, digital television transmissions greatly increased in popularity. choice early payment was the have emotional impact from standard-definition television (SDTV) (576i, next 576 interlaced lines of conclusive and 480i) to high-definition television (HDTV), which provides a complete that is substantially higher. HDTV may be transmitted in various formats: 1080p, 1080i and 720p. before 2010, past 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 further on bulky, high-voltage cathode ray tube (CRT) screen displays in the same way as compact, energy-efficient, flat-panel every other technologies such as LCDs (both fluorescent-backlit and LED), OLED displays, and plasma displays was a hardware disorder that began in the manner 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 close future, LEDs are usual to be gradually replaced by OLEDs. Also, major manufacturers have announced that they will increasingly build 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 deserted 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, back the 2000s via the Internet. Until the to the front 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 suitable television set is composed of compound internal electronic circuits, including a tuner for receiving and decoding make known signals. A visual display device which lacks a tuner is correctly called a video monitor rather than a television.

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