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Telephone vs. Television

Learning the Differences between Telephone and Television

  Annie Lam  —  Grammar Tips
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Telephone vs. Television

A system for sending sounds over distances by changing them into electrical signals. The signals are sent by wires or radio waves and then changed back into sounds.
A device for sending and receiving sounds, especially speech, in this way. The telephone was invented by Alexander Graham Bell in 1876.

A piece of equipment with a screen that receives and shows moving pictures with sound.
The sending of sounds and moving pictures along radio waves to be picked up by a television set. The diagram shows in simplified form how moving pictures are produced inside a television cathode-ray tube. Radio waves are changed into electrical signals that cause beams of electrons to sweep continuously across a fluorescent scree. As the beams hit the screen's phosphor stripes, they create constantly changing dots of colored light, which the viewer sees as moving images.
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