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Television
Televisions show sounds and pictures. They get data from cables, discs, or over-the-air signals. They turn this data into sounds and images. People watch news and shows on them. You probably call them TVs. John Baird made the first TV in 1925. It had one color. It could only show 30 lines. This was just enough room for a face. It didn't work well, but it was a start. The first TV station was set up in 1928. It was in New York. Few people had TVs. The broadcasts were not meant to be watched. They showed a Felix the Cat doll for two hours a day. They were experimenting. By the end of the 1930s, TVs were working well. America got its first taste at the 1939 World's Fair. There were 200 small, black and white TVs set up around the fair. The U.S. President gave a speech over the TVs. But World War II was going on during this time. Factories were busy making guns and bombs. When the war was over, TV spread across the country. By 1948 there were 4 big TV networks in America. Color TVs came out in 1953. They cost too much money for most. Also, shows were aired in black and white. By 1965, color TVs were cheaper. TV stations started airing shows in color. People had to switch if they wanted to see the shows. Now most TVs are high-def. This means that they have many lines on them. High-def TVs have 1080 lines. There are state of the art sets called 4K TVs. These TVs have 3,840 lines. Some people watch TV in 3D.
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Television
Televisions show sounds and pictures. They get data from cables, discs, or over-the-air signals. They turn this data into sounds and images. People watch news and shows on them. You probably call them TVs. John Baird made the first TV in 1925. It had one color. It could only show 30 lines. This was just enough room for a face. It didn't work well, but it was a start. The first TV station was set up in 1928. It was in New York. Few people had TVs. The broadcasts were not meant to be watched. They showed a Felix the Cat doll for two hours a day. They were experimenting. By the end of the 1930s, TVs were working well. America got its first taste at the 1939 World's Fair. There were 200 small, black and white TVs set up around the fair. The U.S. President gave a speech over the TVs. But World War II was going on during this time. Factories were busy making guns and bombs. When the war was over, TV spread across the country. By 1948 there were 4 big TV networks in America. Color TVs came out in 1953. They cost too much money for most. Also, shows were aired in black and white. By 1965, color TVs were cheaper. TV stations started airing shows in color. People had to switch if they wanted to see the shows. Now most TVs are high-def. This means that they have many lines on them. High-def TVs have 1080 lines. There are state of the art sets called 4K TVs. These TVs have 3,840 lines. Some people watch TV in 3D.
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How do TVs work?
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When did color TVs come out?
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Which was not true about the first TV?
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When did networks start showing programs in color?
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Why did the first TV station show only Felix the Cat for two hours a day?
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Which of these events slowed the spread of TVs?
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What is the author's main purpose in writing this?
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When did TV become really popular across all country?
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Why did many families switch to color TVs in 1965?
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Why was 1939 an important year for TV?
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How many lines does a 4K TV have?
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