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Television (TV), sometimes edited to tele or telly, is a telecommunication medium used for transmitting heartwarming images in monochrome (black and white), or in color, and in two or three dimensions and sound. The term can lecture to to a television set, a television show, or the medium of television transmission. Television is a accumulation medium for advertising, entertainment, news, and sports.

Television became straightforward in slapdash experimental forms in the late 1920s, but it would nevertheless be several years past the other technology would be marketed to consumers. After World clash II, an bigger form of black-and-white TV broadcasting became popular in the united 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 new developed countries. The availability of complex 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 on their own become old schedule. For many reasons, especially the ease of use of unapproachable retrieval, the storage of television and video programming now occurs upon the cloud (such as the video upon demand promote by Netflix). At the stop of the first decade of the 2000s, digital television transmissions greatly increased in popularity. choice forward movement was the touch from standard-definition television (SDTV) (576i, taking into consideration 576 interlaced lines of truth and 480i) to high-definition television (HDTV), which provides a unadulterated that is substantially higher. HDTV may be transmitted in various formats: 1080p, 1080i and 720p. in the 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 to the fore bulky, high-voltage cathode ray tube (CRT) screen displays similar to compact, energy-efficient, flat-panel exchange technologies such as LCDs (both fluorescent-backlit and LED), OLED displays, and plasma displays was a hardware chaos that began subsequently 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 standard to be gradually replaced by OLEDs. Also, major manufacturers have announced that they will increasingly build smart TVs in the mid-2010s. smart TVs as soon as 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, since the 2000s via the Internet. Until the in the future 2000s, these were transmitted as analog signals, but a transition to digital television is customary to be completed worldwide by the tardy 2010s. A up to standard television set is composed of merged internal electronic circuits, including a tuner for receiving and decoding broadcast signals. A visual display device which lacks a tuner is correctly called a video monitor rather than a television.

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