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Word Count: 2,257
Whether you know it or not you depend on computers for almostevery thing you do in modern day life From the second you get up in the morning to thesecond you go to sleep computer are tied into what you do and use in some way It is tiedin to you life in the most obvious and obscure ways Take for example you wake up in themorning usually to a digital alarm clock You start you car it uses computers the secondyou turn the key General Motors is the largest buyers of computer components in theworld You pick up the phone it uses computers No mater how hard you try you can getaway from them you cant It is inevitable Many people think of computers as a new invention and in reality it isvery old It is about 2000 years old 1 The first computer was the abacus This inventionwas constructed of wood two wires and beads It was a wooden rack with the two wiresstrung across it horizontally and the beads were strung across the wires This was usedfor normal arithmetic uses These type of computers are considered analog computersAnother analog computer was the circular slide rule This was invented in 1621 by WilliamOughtred who was an English mathematician This slid ruler was a mechanical device made oftwo rules one sliding inside the other and marked with many number scales This slideruler could do such calculations as division multiplication roots and logarithms Soon after came some more advanced computers In 1642 came BlaisePascals computer the Pascaline It was considered to be the first automaticcalculator It consisted of gears and interlocking cogs It was so that you entered thenumbers with dials It was originally made for his father a tax collector2 Then he wenton to build 50 more of these Pascalines but clerks would not uses them3 They didthis in fear that they would loose their jobs4 Soon after there were many
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