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Title: The Telephone

Essay Details

Subject: Technology
Author:
Date: August 15, 2002
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Grade:
Length: 2 / 318
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Essay text:

The telephone itself is a rather simple appliance. A microphone, called the transmitter, and an earphone, called the receiver, are contained in the handset. The microphone converts speech into its direct electrical analog, which is transmitted as an electrical signal; the earphone converts received electrical signals back to sound...

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The telephone itself is a rather simple appliance. A microphone, called the transmitter, and an earphone, called the receiver, are contained in the handset. The microphone converts speech into its direct electrical analog, which is transmitted as an electrical signal; the earphone converts received electrical signals back to sound...

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