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An instrument for performing calculations by sliding counters along rods or grooves.
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Glass tubes that were used to convert electricity into signals. They were very fragile. And required lots of heat and energy.
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A mechanical calculator built by Blaise Pascal.
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Did basic functions such as addition, subtraction, multiplication, divison and found the square root.
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A maunual device used to calculate simple functions.
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A loom that was programmed with punched cards.
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First steam-powered engine that Babbage created.
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Second steam-powered engine that Babbage created.
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Invented by Christopher Sholes
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Used to tabulate the United States census information.
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First freely programmable computer.
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1/200th ofthe vacuum tube. It used far less energy and less heat.
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It was created mostly by the Military and John Hopkins Applied Physics Laboratory. It was originally used for the Navy.
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Silicon chip.
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Digital technology
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Was invented in Germany as an image scanner that could import colored images into the system.
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Invented by Douglas Englebart
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Microsoft Corporation is an American multinational software corporation headquartered in Redmond, Washington that develops, manufactures, licenses many products.
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The first laptop was a prototype made by Xerox Notetaker
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The founders Steven Jobs, Steve Wozniak and Ronal Wayn
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Created by Tim Berners-Lee and Robert Cailliou. Imagine if we had to pay to use the internet? These men would be rich!!
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Ericsson created the GS 88 "Penelope"
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It was created by Nokia. People could video chat face to face with people.
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(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
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