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  • What Came Before Computers and Mobile Devices?
    Before computers and mobile devices, there were several mechanical devices to help people with calculations Two of the more well-known devices were the Pascaline developed and built by Blaise Pascal in 1642, and the Arithmometer designed and patented by Charles Thomas in 1820
  • History of computing - Wikipedia
    Analog computers had an advantage over early digital computers in that they could be used to solve complex problems using behavioral analogues while the earliest attempts at digital computers were quite limited
  • The History of Early Computing Machines, from Ancient Times to 1981
    The first computer mainframe that could complete a range of applications from scientific to commercial 360s were used by the NASA during the Apollo missions and some airports used these as
  • Computing Before Computers - Ed Thelen
    The copyright of "COMPUTING BEFORE COMPUTERS" has been returned to the authors by the publisher IOWA STATE UNIVERSITY PRESS AMES Permission has been granted by the book's living authors contributors of "COMPUTING BEFORE COMPUTERS" W, Aspray M Campbell-Kelly P E Ceruzzi M R Williams as reported by M R Williams to Ed Thelen to place the
  • Early Computing Machines That Inspired Computers - BabaMail
    The Antikythera mechanism was a hand-powered analog computer used by the Ancient Greeks sometime between 100 BC and 70 BC These massive machines were used to predict astronomical events and irregularities
  • History of Computing - University of Texas at Austin
    Several people independently developed electronic computers These computers used vacuum tubes instead of electromagnetic relays Vacuum tubes can act both as amplifiers as well as switches
  • Early Computing — Google Arts Culture
    Before computers became the machines we know and use today, a “computer” was a human being Human computers performed complex mathematical problems, often working in an office environment as
  • Features, Components and use of Pre-Computer Age To 19th Century - EduPadi
    These devices collectively represent the evolution of computing devices from manual tools like the abacus to more sophisticated mechanical calculators and machines that laid the groundwork for modern computers They were essential in shaping the history of computation and automation
  • COMPUTING BEFORE s COMPUTERS - Ed Thelen
    We offer here aconcise survey of computing technology prior to the developmentof the modern computer We show the continuity of the history of computing by tracing several distinct older traditions that over the last forty years have converged in today's technology
  • The Fascinating History of Computers: From Ancient Tools to Modern Machines
    From the abacus, the earliest known computing tool, to today’s powerful and sophisticated machines that fit in our pockets, computers have transformed how we live, work, and communicate





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