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First Computer: “Difference engine” 1821

  • First Computer

    First Computer
    Charles Babbage, an English mechanical engineer and polymath, originated the concept of a programmable computer. Considered the "father of the computer", he conceptualized and invented the first mechanical computer in the early 19th century.
    https://www.computerhistory.org/babbage/
  • PUNCH CARD SYSTEM

    PUNCH CARD SYSTEM
    Herman Hollerith designs a punch card system to calculate the 1880 census, accomplishing the task in just three years and saving the government $5 million. He establishes a company that would ultimately become IBM. https://www.livescience.com/20718-computer-history.html
  • TURING MACHINE

    TURING MACHINE
    https://www.livescience.com/20718-computer-history.html
    Alan Turing presents the notion of a universal machine, later called the Turing machine, capable of computing anything that is computable. The central concept of the modern computer was based on his ideas.
  • UNIVAC

    UNIVAC
    Grace Hopper develops the first computer language, which eventually becomes known as COBOL. Thomas Johnson Watson Jr., son of IBM CEO Thomas Johnson Watson Sr., conceives the IBM 701 EDPM to help the United Nations keep tabs on Korea during the war.
    https://news.yale.edu/2017/02/10/grace-murray-hopper-1906-1992-legacy-innovation-and-service
  • APPLE COMPUTERS

    APPLE COMPUTERS
    Steve Jobs was a charismatic pioneer of the personal computer era. With Steve Wozniak, Jobs founded Apple Inc. in 1976 and transformed the company into a world leader in telecommunications. Widely considered a visionary and a genius, he oversaw the launch of such revolutionary products as the iPod and the iPhone. https://apple2history.org/history/ah02/