The Telephone About 100 years ago, Alexander Graham Bell invented the telephone by accident with his assistant Mr. Watson. Over many years, the modern version of the telephone makes the one that Bell invented look like a piece of junk. Developments in tone dialing, call tracing, music on hold, and electronic ringers have greatly changed the telephone. This marvelous invention allows us to communicate with the entire globe 24 hours a day just by punching in a simple telephone number. It is the most used piece of electronic apparatus in the world. It is probably one of the most easy to use electronics available too. All you have to do is pick up the receiver, listen for the tone, and then select a number using either tone or pulsing dial. A telephone can be separated into two main categories: there is the tone (touch tone) or the older rotary dial....

Number Of Pages: 6

Number Of Words: 1522

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