history of computer science

Jul 7th, 2015
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the history of computer science began long before the modern discipline of computer science that emerged in the 20th century, and hinted at in the centuries prior.[dubious – discuss][citation needed] The progression, from mechanical inventions and mathematical theories towards the modern concepts and machines, formed a major academic field and the basis of a massive worldwide industry.[1] Contents

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hehistory of computer sciencebegan long before the modern discipline ofcomputer sciencethat emerged in the 20th century, and hinted at in the centuries prior.[dubiousdiscuss][citation needed]The progression, from mechanical inventions andmathematicaltheories towards the modern concepts and machines, formed a major academic field and the basis of a massive worldwide industry.[1]Contents[show]Early history[edit]The earliest known as tool for use in computation was theabacus, developed in period 27002300 BCE inSumer[citation needed]. The Sumerians' abacus consisted of a table of successive columns which delimited the successive orders of magnitude of theirsexagesimalnumber system.[2]Its original style of usage was by lines drawn in sand with pebbles[citation needed]. Abaci of a more modern design are still used as calculation tools today.[3]TheAntikythera mechanismis believed to be the earliest known mechanical analog computer.[4]It was designed to calculate astronomical positions. It was discovered in 1901 in theAntikytherawreck off theGreekisland of Antikythera, between Kythera and Crete, and has been dated to c. 100 BCE. Technological artifacts of similar complexity did not reappear until the 14th century, when mechanicalastronomical clocksappeared inEurope.[5]Mechanical analog computing devices appeared a thousand years later in themedieval Islamic world. Examples of devices from this period include theeq

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