Friday, December 11, 2009
DR.HERMAN HOLLERITH
He was chairman of Bureau of Census of USA.In 1890 he was ordered to complete the census of USA in 11 years.He invented a punched card tabulating machine and completed his work in only two years and six months.It was an electromechanical computer.It could precess 275 punched cards per minute.In 1911 he established IBM Company.
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