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Television depositphotos_119490140-stock-illustration-tv-old-television…
Television 
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Display Types
- Liquid-crystal display (LCD
- Plasma display panel (PDP)
- Light emitting diode display (LED)
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- Electroluminescent display (ELD)
Transmission
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radio frequencies- It is transmitted through radio frequencies through the airwaves that are similar to standard analogue television
Cathode ray tube- The cathode ray tube is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images.
Size
The size of the old television was big. It was like a box that had colores on it and showed a lot of images. The TV's these days have 4k abiilities that make the picture look even more entertaining. Also the modern tv's are as thick as a book and as big as up to 85"
Evolution
Then came the TV's that would connect using the antenna and it used DTV signals to produce images and show the channels.
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The modern television’s earliest ancestor was the Octagon, made by General Electric in 1928. It used a mechanical, rotating disc technology to display images on its three-inch screen
And now, most people have TV's but they just use different devices like the apple tv, the xbox one, and the ps4 to entertain themselves because there is every type of entertainment built into these devices