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This is a free sample preview of the essay
Method Of Communication And Different Uses Of Communication
Beginning of essay
With the development of civilization and written languages came the need
for more frequent and reliable methods of communication allowing messages to
reach longer distances. This was essential to the control of trade and other
affairs between nations and empires.
Early man used cave walls as the ....
Middle of essay
.... offshoots were
announced, modern telex systems are an improved version of this basic concept.
Now that the basic frontiers of electronics had been broken,
telecommunications moved into a new era, in 1876 Alexander Graham Bell patented
the worlds first true speech telephone. Research into magnetism had also
revealed the relationship between magnetic fields and electric currents, thus
laying the technical foundation for wireless telegraphy. Twenty five years later
the Italian inventor Mar.... |
| Number of words: 805 |
Approximate pages: 3 |
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