History of Computing

By zaerri

  • Pascal's Calculator

  • Leibniz's Calculator

  • Jacquard Loom

  • Babbage's Difference Engine

  • Hollerith's Tabulating Machine

  • Z1

    binary electrically driven mechanical calculator

  • Atanasoff's ABC

  • Mark I

  • ENIAC

  • First Generation Begins: Vacuum Tubes

  • Second Generation Begins: Transistors

  • Third Generation Begins: Microcomputers, Integrated Circuits, Timesharing

  • Moore's Law

    Number of Transistor's Doubles every 2 years

  • First Microprocessor

  • Fourth Generation Begins: Personal Computers, LANs, Internet, Graphical User Interface

  • IBM Personal Computer

  • Early Tablet Computer Created: CIC Handwriter

  • Metcalfe's Law

    "the value of a telecommunications network is proportional to the square of the number of connected users of the system"

  • First Smartphone: GS 88

  • Intel Pentium III Microprocessor

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