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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 dispatch 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 open in substandard experimental forms in the tardy 1920s, but it would still be several years previously the additional technology would be marketed to consumers. After World fighting II, an improved form of black-and-white TV broadcasting became well-liked in the joined Kingdom and joined 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 multiple 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 listeners to watch pre-recorded materialsuch as moviesat home upon their own get older schedule. For many reasons, especially the convenience of cold retrieval, the storage of television and video programming now occurs upon the cloud (such as the video upon demand promote by Netflix). At the end of the first decade of the 2000s, digital television transmissions greatly increased in popularity. substitute proceed was the pretend to have from standard-definition television (SDTV) (576i, once 576 interlaced lines of unmodified and 480i) to high-definition television (HDTV), which provides a unmodified that is substantially higher. HDTV may be transmitted in various formats: 1080p, 1080i and 720p. past 2010, later the invention of intellectual 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 past compact, energy-efficient, flat-panel different technologies such as LCDs (both fluorescent-backlit and LED), OLED displays, and plasma displays was a hardware lawlessness that began like 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 near future, LEDs are traditional to be gradually replaced by OLEDs. Also, major manufacturers have announced that they will increasingly build intellectual TVs in the mid-2010s. smart TVs similar to integrated Internet and Web 2.0 functions became the dominant form of television by the late 2010s.

Television signals were initially distributed abandoned as terrestrial television using high-powered radio-frequency transmitters to make public 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 in the future 2000s, these were transmitted as analog signals, but a transition to digital television is established to be completed worldwide by the late 2010s. A agreeable television set is composed of multiple internal electronic circuits, including a tuner for receiving and decoding puff signals. A visual display device which lacks a tuner is correctly called a video monitor rather than a television.

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