write five sentences about television in class two
Answers
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1. television is a great invention for the world.
2. it helps us to know the world just by one click.
3. it was invented by Philo Farnsworth
John Logie Baird
Charles Francis Jenkins
4. it gives us lots of news in and around the world.
it also helps us in entertainment.
A television (also known as a TV) is a machine with a screen. Televisions receive broadcasting signals and turn them into pictures and sound. The word "television" comes from the words tele (Greek for far away) and vision (sight).
Sometimes a television can look like a box. Older TVs had a large cathode ray tube in a large wooden frame and sat on the floor like furniture. Newer TVs are much lighter and flatter.
A TV can show pictures from many television networks. Computers and mobile devices also can be used for watching television programs.
Television was invented in the 1920s but the equipment was expensive and the pictures were poor. By the 1950s, these problems had been fixed and TVs became widespread.
At first, all televisions used an antenna (or aerial). This would pick up television programmes from broadcasting stations. A TV station could be many miles or kilometers away, and still be received. TVs can also show movies from VCD and DVD players or VCRs. Cable TV and Satellite television can provide more programs at once than broadcast can. Video game consoles connect to most modern TVs. Some computers can also use a TV as a computer monitor.