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TheHistoryOfSoftware.com

  • 1703-Binary Number System

    Gottfried Wilhelm Leibniz refined and published the binary system, as it is known today, in his article, “Explanation of the Binary Arithmetic, which uses only the characters 1 and 0, with some remarks on its usefulness and... Read more

01
Apr
1703
  • 1801-Jacquard Looms

    The first example of punched cards as a method of storing information. In this case, the instruction set used by looms to implement complicated methods of textile manufacturing.... Read more

01
Apr
1801
  • 1822-Difference Engine

    An idea that was first described in a book published in 1786 that was written by J.H. Müller and Charles Babbage, proposed the use of machines in computation of differential equations in a paper published in 1822. Although n... Read more

01
Apr
1822
01
Apr
1843
  • 1847-Boolean Algebra

    George Boole introduced a mathematical representation of logical operators in his book, The Mathematical Analysis of Logic, in 1847, and further in, An investigation of the Laws of Thought, in 1854. Boolean algebra was fun... Read more

01
Apr
1847
  • 1890-Hollerith’s Punched Cards

    Herman Hollerith developed a method of storing information through a system of punched cards. He developed the electromechanical punched card machine. He then used this machine to perform a number of operations stored on car... Read more

01
Apr
1890
    • 1911-IBM Founded

      International Business Machines Corporation (IBM) is founded as a result of a merger of several companies that manufactured the computer scale, the dial recorder, the Electronic Tabulating Machine, and the clock that punched ... Read more

    • 1911-IBM Founded

      International Business Machines Corporation (IBM) is founded as a result of a merger of several companies that manufactured the computer scale, the dial recorder, the Electronic Tabulating Machine, and the clock that punched ... Read more

02
Nov
1911
01
Apr
1925
  • 1936–Turing Machine

    Alan Turing develops the concept of a machine with the ability to compute anything that is computable. He is highly influential in the development of theoretical computer science providing a formalization of the concepts of ... Read more

01
Apr
1936
  • 1937–A Computer Without Mechanics

    A professor of physics and mathematics at Iowa State University, J.V. Atanasoff, attempts to build the first computer without mechanical components such as gears, cams, belts or shafts. Atanasoff, together with his assistant,... Read more

01
Apr
1937
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