COMPUTER HISTORY AND EVOLUTION
DEVELOPMENT OF COMPUTERS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Abacus
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Hollerith’s Tabulating Machine
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Analytical Engine
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Difference engine
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Detailed explanation-1: -The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards . Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census.
Detailed explanation-2: -It was successful, and Hollerith went on to found the Tabulating Machine Company, which later merged to become a company called IBM. Although tabulating machines are an early part of computer history, realize they are not considered computers. These machines only tabulated (counted), they were not programmable.
Detailed explanation-3: -The machine used a system of electrical and mechanical signals, and a set of wires positioned over pools of mercury, to incrementally count data on paper punch cards. A Hollerith machine is also known as a tabulating machine or Hollerith tabulator.