2423 (1880) Dr. Herman Hollerith, American researchers have fabricated statistics statistical processing machines that use punch cards. This machine has been developed to better use and demographic surveys of the United States in the years 2433 (1890) and allows the demographic summary was completed within a period of 2 years and a half (by the previous 7 years, taking one half) This is called punch card, card services, and other names, Le Hall bath, used to call this card is the card IBM 80-column card or because IBM is a company manufacturer of electronic computers. The origin of the electronic computer. All the tools are fabricated in the era before most of them consist of teeth gear. Lever hoist, which is material that is large and heavy, making slow and crash frequently. Therefore, in a later era, so try to. Development tools, a smaller but highly effective. As follows: 2480 (1937) Professor Howard Aiken College Exchange program University of Harvard have developed a calculator by Babbage's ideas, in cooperation with the Organization of the IBM company witwa calculator created by Babbage's ideas have achieved by these machines perform a mix of electrical and mechanical punch card into the media to import data into the machine to do the processing. The development was completed in this tool 2487 (1944) named MARK 1, and since this machine was from a support. Financial and personnel from the IBM Corporation, and therefore there is another Automatic Sequence Controlled Calculator, and that IBM is the first automatic Calculator in the world. 2486 (1943) During which there is a World War II United States Army Research Center it is necessary to have invented AIDS to calculation used to determine the direction and distance to send missiles which, if used in the calculator, it would take up to 12 hours in 1 shot calculation times, so the army has to fund John W. Mauchly's order components of a computer system. Components of a computer system.
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