Short Essay On History Of Computers

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The ENIAC was able to compute 5,000 additions a second, but it took 2 days to set up these equations.

The cost of the ENIAC was $500,000, weighed 30 tons, 100 feet long, and 8 feet high.

This was at Harvard University in America and was known as an Automatic Sequence Controlled Calculator (ASCC).

It was still, however, basically a mechanical device, rather like the one Babbage had designed, and therefore, comparatively slow, taking about 4 seconds to perform a multiplication problem.

By using these cards he was able to calculate the United State Census.

Hollerith’s Computer Tabulating-Recording Company changed its name in 1924 to International Business Machines, IBM for short.

The design for the first real computer was drawn up by an Englishman, Charles Babbage, in 1832.

This was another mechanical machine but, like today’s computers, it was designed to work automatically from a series of program instructions and also had the capacity to store the information on which it was working-up to 1000 groups of 50 decimal digits.

In 1614 John Napier, an astronomer, invented a ready-reckoned, known as Napier’s bones, to help him make complex calculations accurately.

From this was developed in 1621 the earliest form of the slide rule.


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