After countless stepping stone inventions‚ inventors finally came up with the Compact Disk‚ or CD and the CD player in 1988. After the CD and CD player were invented‚ the further need for a more portable music playing device pushed scientists to create the MP3 player‚ which was first introduced in Japan in 1997 and then in the United States just a year later. The music playing device is now involved in almost every piece of modern day technology from phones to computers and
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In her paper‚ War: An Invention- Not a Biological Necessity‚ Margaret Mead says that " warfare‚ by which I mean organized conflict between two groups as groups‚ in which each group puts an army (even if the army is only fifteen Pygmies) in the field to fight and kill‚ if possible‚ some of the members of the army of the other group- that warfare of this sort is an invention like any other of the inventions in the terms of which we order our lives‚ such as writing‚ marriage‚ cooking our food instead
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The microscope has been one of the greatest inventions in the history of science and has had the most impact on the course of science. Ever since the first microscope was invented in 1590‚ they have improved our knowledge in basic biology and biomedical research‚ as well as many other things‚ all of which are important. The smallest object a human can see with the naked eye is 0.2 mm‚ for example‚ algae cells. The light microscope‚ however‚ allows us to see things almost 1000 times smaller that what
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Inventions That Changed America There were a lot of inventions in the 19th that made America what we know today. They ranged from early batteries to candy bars and potato chips. The candy bar is important‚ but it’s not even close to the top 3 most important inventions of the 19th century. Number 3 on the list is vulcanized rubber. The motorcycle is the second most important invention. And the all-time most important invention of the 19th century was the colt revolver. Charles Goodyear invented
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The Invention of the DVD Many people enjoy watching or listening to DVDs every day. Now people can see more than just the movie. They can enjoy many different special features or quickly go to a certain spot in the movie without having to rewind or fast forward. Many people do not know how this invention came to be. Who invented the DVD and how did they do it? What are the different types DVDs? The invention we enjoy today only exists because of the hard work of many people. The DVD was
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of the military and industry in the development of electronics‚ computers‚ and information theory. After the 1940s‚ the military remained the major source of research and development funding for the expansion of automation to replace manpower with machine power. Since the 1950s‚ four generations of computers have evolved. Each generation reflected a change to hardware of decreased size but increased capabilities to control computer operations. The first generation used vacuum tubes‚ the second used
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Bibliography Atelsek‚ Jean (1993) All About Computers: Discover the World of Computers. Ziff- Davis Press Emeryville‚ California. A computer is a machine that can store and process information. Game machines are special computers that work by sending imagines to the screen and responding to the buttons you press. Computers have existed for many years helping people keep track of information and solving problems. The development of the computer started with the need to keep track of
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COMPUTER FUNDAMENTALS SECTION A PART ONE MULTIPLE CHOICES: 1. (b) Two types. 2. (b) 1 or more input signals to produce output. 3. (d) Both (a) and (c). 4. (b) Non-volatile. 5. (c) Direct-access storage device. 6. (c) Multiple object program files of any software. 7. (d) None of the above. 8. (b) way in which the network’s nodes are linked together. 9. (a) World wide web 10. (a) General purpose electronic equipment for homes. PART TWO 1. WRITE A SHORT NOTES ON “THE OSI MODEL”
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One day Edison’s boss called him to his office. He asked him how much it would cost to buy his improvements. He wanted $6‚000 but his boss offered $40‚000! Edison bought a factory and started inventing. In 1871‚ Edison married Mary Stiltwell and had three children. In 1876‚ Edison moved out of Newark and into Meleno Park. In 1876 Alexander Bell invented the telephone and Edison improved it by making it battery powered. He then invented a lampback out of graphite and it made the signal clearer
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History of Computers Glenn G. Fabia Department of Computer Science Ateneo de Naga University A typical computer operation back when computers were people. Counting Tables History of Computers 2 A Modern Day Abacus (Oldest surviving‚ 300 B.C) Note how the abacus is really just a representation of the human fingers: the 5 lower rings on each rod represent the 5 fingers and the 2 upper rings represent the 2 hands. History of Computers 3 Napier’s Bones In 1617 John Napier
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