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Computer Networking And Communication Essay

1248 words - 5 pages

A computer networking and data network is a telecommunication network that allows the computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams. This facilitates communication and resources sharing within huge amount of people in deferent location. Best known as Internet is the computer network established using either cable media or wireless media. The only system been used before 19th century was postal system and it would take several days depending distance between sender and the receiver. But now a day by the access of Internet you can communicate with people within seconds and doesn’t matter where they live or the distance between sender and receiver. Back in days American Military used Internet and communication first equipment’s to communicate with their soldiers far away in battlefield but now a day we can see over 70% of world population use these equipment. Country like panama with a population of 3 million people has over 7 million just in cellphones. Does this represent an advance in technology o threat?
“I visualize a time when we will be to robots what dogs are to humans, and I'm rooting for the machines.” Said by Claude Elwood Shannon, father of digital communication. He created digital circuit using simple Boolean algebra. As Claude Shannon said now we see people more attached to their computer and cellphones. Studies have shown that with all the technologies that human have he is being less social. Back in days people used to travel and go deferent places to enjoy with their family. For example in carnival week people used to go to interior of the country and some of them would go to brazil, but now a day they prefer to stay at home and see those carnivals on Television. It is not only adults who have been affected by this kind of situation kids think the same way. With these technologies of instant messaging kids prefer to talk in groups instead of getting together and playing outdoor games. One of the disadvantages to stop going outside can be the lack of vitamin D which is easily obtain by sun rays.
With all these equipment of communication such as Cell phone, Television, Radio and computer, releases electromagnetic radiation. Despite extensive research on the subject, there has been conclusive evidence that use of these gadgets can cause long-term harmful effects in humans and animals. One of the mayor causes of constant use of cell phone is brain cancer. Albert Einstein once said, “If the bee disappears from the surface of the earth, man would have no more than four years to live. No more bees, no more pollination … no more men!” Because bees are responsible for 80% of pollination and Research conducted in Lausanne, Switzerland has shown that the signal from cell phones not only confuses bees, but also may lead to their death. Over 83 experiments have yielded the same results. With virtually most of the population of the United States (and the rest of the...

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