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Television

Television is a mass medium that transmits moving images and sound using electromagnetic waves or radio waves. It became available in crude forms in the late 1920s but was not widely adopted until after World War II. Color broadcasting was introduced in the mid-1960s and digital television transmissions became popular in the late 2000s. By 2013, 79% of households owned a television set, which have increasingly become flat-panel displays like LCDs and OLEDs rather than cathode ray tubes. Television signals are now commonly distributed via cable, satellite, or the Internet rather than solely terrestrial broadcasting.

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1K views1 page

Television

Television is a mass medium that transmits moving images and sound using electromagnetic waves or radio waves. It became available in crude forms in the late 1920s but was not widely adopted until after World War II. Color broadcasting was introduced in the mid-1960s and digital television transmissions became popular in the late 2000s. By 2013, 79% of households owned a television set, which have increasingly become flat-panel displays like LCDs and OLEDs rather than cathode ray tubes. Television signals are now commonly distributed via cable, satellite, or the Internet rather than solely terrestrial broadcasting.

Uploaded by

Erizo
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Television, sometimes shortened to tele or telly, is a telecommunication medium used for

transmitting moving images in monochrome, or in color, and in two or three dimensions and
sound. The term can refer to a television set, a television show, or the medium of television
transmission. Television is a mass medium for advertising, entertainment, news, and sports.

Television became available in crude experimental forms in the late 1920s, but it would still be
several years before the new technology would be marketed to consumers. After World War II, an
improved form of black-and-white TV broadcasting became popular in the United 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 other 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 viewers to watch pre-recorded material—such as movies—at home on their
own time schedule. For many reasons, especially the convenience of remote retrieval, the storage
of television and video programming now occurs on the cloud . At the end of the first decade of
the 2000s, digital television transmissions greatly increased in popularity. Another development
was the move from standard-definition television to high-definition television, which provides a
resolution that is substantially higher. HDTV may be transmitted in various formats: 1080p, 1080i
and 720p. Since 2010, with 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 early bulky,
high-voltage cathode ray tube screen displays with compact, energy-efficient, flat-panel
alternative technologies such as LCDs, 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 near 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 with integrated Internet and Web 2.0
functions became the dominant form of television by the late 2010s.

Television signals were initially distributed only as terrestrial television using high-powered radio-
frequency transmitters to broadcast 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 early 2000s, these were transmitted as analog signals, but a
transition to digital television is expected to be completed worldwide by the late 2010s. A
standard television set is composed of multiple 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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