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Chspter 5 Questiond

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Submitted By TvoMonroy
Words 646
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The concept ‘computer’ is definitely an old expression that has changed its meaning many times in the previous couple of centuries. Via the Latin, by the mid-17th century the item meant ‘a person that computes’. The actual American Traditions Dictionary (1980) offers its primary computer meaning as “an individual who computes.” The pc remained associated with human task until in regards to the middle of the 20th millennium when the idea became given to “a programmable electronic device that can easily store, get, and procedure data”. Right now, the word computer describes computing equipment, whether or otherwise they are electronic, programmable, or able to ‘store and also retrieve’ files.

Before there were electronic computers most of the tasks we now do with a computer were done other ways. In many cases quite sophisticated electromechanical devices were developed to help. The collection contains several different kinds of these obsolete and nearly vanished machines.

The history of computers starts out about 2000 years ago, at the birth of the abacus, a wooden rack holding two horizontal wires with beads strung on them. When these beads are moved around, according to programming rules memorized by the user, all regular arithmetic problems can be done. Another important invention around the same time was the Astrolabe, used for navigation. Blaise Pascal is usually credited for building the first digital computer in 1642. It added numbers entered with dials and was made to help his father, a tax collector. In 1671, Gottfried Wilhelm von Leibniz invented a computer that was built in 1694. It could add, and, after changing some things around, multiply. Leibniz invented a special stepped gear mechanism for introducing the addend digits, and this is still being used. The prototypes made by Pascal and Leibniz were not used in many places, and considered weird

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