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Computer History

By delaneycaroline
  • Feb 1, 1400

    Abacus

    Abacus
    An instrument for performing calculations by sliding counters along rods or grooves.

  • Vacuum Tubes

    Vacuum Tubes
    Glass tubes that were used to convert electricity into signals. They were very fragile. And required lots of heat and energy.

  • Pascaline

    Pascaline
    A mechanical calculator built by Blaise Pascal.

  • Lebniz Calculator

    Lebniz Calculator
    Did basic functions such as addition, subtraction, multiplication, divison and found the square root.

  • Slide Rule

    Slide Rule
    A maunual device used to calculate simple functions.

  • Jacquard Loom

    Jacquard Loom
    A loom that was programmed with punched cards.

  • Difference engine

    Difference engine
    First steam-powered engine that Babbage created.

  • Analytic Engine

    Analytic Engine
    Second steam-powered engine that Babbage created.

  • First Keyboard invented

    First Keyboard invented
    Invented by Christopher Sholes

  • IBM

    IBM
    Used to tabulate the United States census information.

  • Z1 Computer

    Z1 Computer
    First freely programmable computer.

  • Transistor

    Transistor
    1/200th ofthe vacuum tube. It used far less energy and less heat.

  • GPS created

    GPS created
    It was created mostly by the Military and John Hopkins Applied Physics Laboratory. It was originally used for the Navy.

  • Integrated Circuit

    Integrated Circuit
    Silicon chip.

  • Binary

    Binary
    Digital technology

  • First scanner invented

    First scanner invented
    Was invented in Germany as an image scanner that could import colored images into the system.

  • First computer mouse

    First computer mouse
    Invented by Douglas Englebart

  • Microsoft

    Microsoft
    Microsoft Corporation is an American multinational software corporation headquartered in Redmond, Washington that develops, manufactures, licenses many products.

  • First Laptop

    First Laptop
    The first laptop was a prototype made by Xerox Notetaker

  • Apple was founded

    Apple was founded
    The founders Steven Jobs, Steve Wozniak and Ronal Wayn

  • World Wide Web created

    World Wide Web created
    Created by Tim Berners-Lee and Robert Cailliou. Imagine if we had to pay to use the internet? These men would be rich!!

  • First Smart phone

    First Smart phone
    Ericsson created the GS 88 "Penelope"

  • First video sharing

    First video sharing
    It was created by Nokia. People could video chat face to face with people.

  • Wi-Fi became more avalible to public

    Wi-Fi became more avalible to public

  • First printer

    First printer
    (Well not the first, but it was greatly improved to hook up to your computer so you could print straight from your computer!)Invented by Chester Carlson