television English assay
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Television is one of the most wonderful inventions of science and technology. Television has brought the whole world into our house. It is the main source of entertainment in today’s life. Also, we get vital information and can learn many new things from television. Nowadays TV is one of the most popular advertising platforms.
In England in 1878, a Scottish amateur scientist, John Loggie Baird, successfully transmitted the first TV picture, after years of hard work. This Television works with the help of the mechanical system. The size of the TV is very large, and a single person can’t take it from one place to another. The mechanical technology used in the television was quickly replaced by superior electronic television in the year 1927 when Philo Farnsworth successfully demonstrated electronic television in San Francisco.
In the early times’ television is not like today’s television. The old television frames are made of wood, and it comes with an antenna, and the TV gets channels by the radio wave. To catch the radio signal waves, one has to rotate the nob provided on the TV. In past days there are only some channels to watch on TV. Also, one can’t watch colorful programs on TV like today’s television. The shows on TV are black and white. There is a Cathode Ray Tube (CRT) used in that TVs’. Not only in the black and white TVs’, but also there are many color TVs which come with a cathode ray tube. The black and white TV’s also cannot be controlled by the remote. If one wants to change the channels or wants to adjust the volume, they have to fix it by going near the TV. When colorful TVs’ comes in market cable lines are used to provide channels, and one can define the color of a thing with this TV. Scientists also thought about the problem of changing the channel by going in front of the TV and they invented a remote to control the TV from sitting at any place. The name of the first RCA color TV set is the CT -100.