Telecommunications
Two ordinary tin cans linked together by a string, invented by children as a means of talking with one another from a distance. Although only a toy, this concept resulted in one of the greatest evolutionary inventions of mankind, the telephone. The telephone is every where! At every stoplight, someone is talking on the telephone as they sit in their car. Walking down the street, in all business waiting rooms, in bathrooms, and even in float tubes in the middle of a lake, people find it a necessity to communicate with one another. Communication is an essential element of human existence. The transfer of information characterizes it. The best way to illustrate this is to discuss the evolution of the telephone. This extraordinary invention changed the way businesses are managed and the way people conduct their day to day lives. Alexander Graham Bell patented the first telephone in 1876. Prior to his receiving the patent, three men were working towards the same goal: Antonio Meucci, Alexander Graham Bell and Elisha Gray. Both Gray and Bell were working on a telegraph system over which more than one message at a time could be sent over a single wire. Gray, declaring that instruments to convey the human voice were mere play
Continuing on in history, the first commercial telephone exchange, with manually operated telephone switches, opened in 1878, only 21 subscribers were connected. The first automatic telephone switch was installed in 1892, until this time, operators manned the switches around the clock. In1915, that first cross-country commercial line was formally opened between New York to San Francisco. For a single voice exchange, 6,780 miles of copper wires, 30,000 telephone poles and two circuits was required. On April 25, 1935 the first message (by AT&T) was transmitted around the world. It is astonishing to note that it took a quarter of a second for a single message to circle around the world, now as much as 3.4 gigabits of information travels the same distance in seconds. Losee, Robert M. 1999. Communication Defined as Complementary Informative Process. Brooks, John. 1995. Telephone: The First Hundred; New York, NY: New York Harper and
Some common words found in the essay are:
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Approximate Word count = 2145
Approximate Pages = 9 (250 words per page double spaced)
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