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Computing History

  • Abacus
    Jan 1, 1000

    Abacus

    It was invented by the Egyptians and modified by the Chinese. It was used to add and subtract by hand. It was used alot from 1000 BC to 500 BC.
  • Blase Pascal

    Blase Pascal

    Blase Pascal is a Mathematic Genius born in France. He invented the first calculator called Pascaline.
  • Pascaline

    Pascaline

    The Pascaline is invented. It can only + and -. It has 8 rotating gear and wheels.
  • Gottfried Wilhelm Leibniz

    Gottfried Wilhelm Leibniz

    Gottfried was a German Philosopher, historian, and scientist. He invented the Leibnitz calculator.
  • Leibnitz calculator

    Leibnitz calculator

    It could add, subtract, multiply and divide. It's made of copper and steel.
  • Charles Babbage

    Charles Babbage

    Charles Babbage is known as the Father of the computer. He invented the difference engine and the analytical engine.He was born in London, England and he's a Philisopher, historian and Scientist.
  • Agusta Ada Lovelace

    Agusta Ada Lovelace

    Was an English mathematican and writer. She is considered the first computer programmer. She created the first computer program for Babbage's computer.
  • Difference engine

    Difference engine

    The difference engine could function to 6 difference decimal places.
  • The Analytical Engine

    The Analytical Engine

    It's the first computer. It succeeds the Difference engine. It has a memory, It uses punched cards and it also has a printer.
  • Vacum tube tecnology

    Vacum tube tecnology

    First compter invented for scientific work.
  • Herman Hollerith

    Herman Hollerith

    Herman is a Engineer and Scientist. He was born in USA and he founded the IBMC (International business machines coporation). He also made the mechanical tabulator.
  • Tommy Flowers

    Tommy Flowers

    He is an English Engineer, and he designed the colussus, the world's first programmable electric computer. He used that to solve encrypted German messages.
  • Alan M. Turing

    Alan M. Turing

    He is a mathematican, Philisopher, and codebreaker. He is the founder of computer science and he decoded the secret german messages for the british.
  • Period: to

    First Generation Computer

    This generation sed Vaccum tubes. They were enormous, taking the space of the whole room.
  • Cellphones

    Cellphones

    The first cellphone was 2 pounds. It was $3,995. It only allowed half an hour calling time.
  • Transistors

    Transistors

    It was equal to 3 vacuum tubes.
  • Internet

    Internet

    It is a global network that connects millions of computers.
  • Steve Wozinak

    Steve Wozinak

    He invented the first apple computer.It is the Apple 1. It was priced $666.66. He also invented the Apple II single handedly.
  • Tim Berners Lee

    Tim Berners Lee

    He invented the www. He is also the president of the www foundation.
  • Bill Gates

    Bill Gates

    He was the founder of microsoft. He is still the chairman.
  • Period: to

    Second Generation Computer

    Transistors replaced the Vaccum. It allowed the computer to be cheaper, and smaller. It still relied on punched cards.
  • Mainframe and minicomputer

    Mainframe and minicomputer

    A class of smaller computers attached to the mainframs. It was invented in the 1960s.
  • Integrated circuit

    Integrated circuit

    many transistors+ small space= integrated circuit.
  • Period: to

    Third Generation computer

    The Ingrated circuit replaced the transisors. It had a monitor and keyboard instead of punched cards.
  • Microprocessors

    Microprocessors

    microprocessors times 100 million = 1 CPU
  • Period: to

    4th Generation computer

    The computers became smaller and the computers that once fit a giant room was now able to fit in our hands.
  • Laptop

    Laptop

    It was called Osberone I and it was invented by Adam Osberone. It cost $1, 795. It came with $1,500 worth of programs.
  • Tablets

    Tablets

    It is a small touchpad computer which is light and portable.
  • USB

    USB

    It is a small portable tecnology which stores memory.
  • Google

    Google

    Founded by Larry Page and Sergey Pin. It does internet search, cloud computing, sdvertising, etc.
  • Facebook

    Facebook

    It is a socail networking site that connects friends and long-distant families.
  • Youtube

    Youtube

    A video sharing network. Anonymous users can watch videos while registered ones can upload unlimited number of videos.
  • Wikipedia

    Wikipedia

    It is a free encyclopedia that anyone can acess.
  • Tumblr

    Tumblr

    Tumblr is a blogging site, and a social networking site. Users can follow other users and ask them a question, if the owner of the blog allows it.