-
100
The Abacus
The abacus was the first calculating tool ever made. http://commons.wikimedia.org/wiki/File:Abacus_5.jpg
Sept. 5, 2013 -
The Pascaline
The Pascaline was the first calculator ever made. It was made by Blaise Pascal. http://commons.wikimedia.org/wiki/File:Pascaline_calculator_front.png
Sept. 5, 2013 -
The Stepped Reckoner
The Stepped Reckoner was a mechanical calculator made by Gottfried Wilhelm Leibniz. http://en.m.wikipedia.org/wiki/File:Leibniz_Stepped_Reckoner.png
Sept. 5 2013 -
Jacquard's Loom
Charles Babbage tried to use the idea of his Jacquard's punched cards to make a computer. http://techoftime.weebly.com/other-inventions.html
Sept 5 2013 -
Carles Babbage makes the first computer
Charles Babbage's Analytical Engine was supposed to be a computer but he did not succdeed. http://commons.wikimedia.org/wiki/File:The_Charles_Babbage_Difference_Engine_No._2.jpg
Sept 5 2013 -
Lady Augusta Ada Countess of Lovelace
Lady Augusta Ada Countess of Lovelace was the first computer programmer. She worked with Charles Babbage.
http://commons.wikimedia.org/wiki/File:Ada_lovelace.jpg
Sept 5 2013 -
Herman Hollerith creates the Electronic Tabulating Machine
This machine eliminated the unreliable mechanical parts of the Stepped Reckoner and the Pascaline. http://commons.wikimedia.org/wiki/File:1890_Census_Hollerith_Electrical_Counting_Machines_Sci_Amer.jpg
Sept 8 2013 -
The Atnastoff-Berry Computer (ABC)
The Atnastoff-Berry Computer was the first electronic, digital computer ever made. http://commons.wikimedia.org/wiki/File:Atanasoff_Berry_Computer.gif
Sept 8 2013 -
Dr. Grace Murray Hopper
She was one of the first programmers of the Harvard Mark 1. She created the term "Computer Bug". http://commons.wikimedia.org/wiki/File:Grace_Hopper.jpg
Sept 7 2013 -
Harvard's Mark I
It is a giant calculator created by Howard Aiken and Grace Hopper. It is not a computer because it can't make decisions. http://en.wikipedia.org/wiki/File:Harvard_Mark_I_Computer_-_Left_Segment.jpg
Sept 6 2013 -
ENIAC
ENIC means Electronic Numerical Intergrator and Computer. It was made to clculate the trojectory of artillary shells. http://upload.wikimedia.org/wikipedia/commons/4/4e/Eniac.jp
Sept 8 2013 -
Vacuum Tubes 1st Generation Computers (1951-1958)
Vacuum tubes were used for the first generation computers. https://commons.wikimedia.org/wiki/File:Elektronenroehren-auswahl.jpg
Sept 8 2013 -
Alan Turing (1912-1954)
Alan Turing created the Universal Machine. http://upload.wikimedia.org/wikipedia/en/thumb/c/c8/Alan_Turing_photo.jpg/200px-Alan_Turing_photo.jpg
Sept 8 2013 -
Transistor 2nd Generation Computers (1959-1974)
2nd generation computers ued tranisitors, which are devices that control the movement of electrons and electricity. http://commons.wikimedia.org/wiki/File:Electronic_component_transistors.jpg
Sept 8 2013 -
Intergrated ciruit 3rd Generation Computer (1965-1970)
3rd generation computers used intergrated circiuts. They were a set of electronic circuits on a small plate. http://upload.wikimedia.org/wikipedia/commons/thumb/9/97/Integrated_Circuit.jpg/1280px-Integrated_Circuit.jpg
Sept 8 2013 -
Microprocessor 4th Generation Computers (1970-now)
Microprocessors further redused the size and cost of computers. It also increased speed and reliability. http://upload.wikimedia.org/wikipedia/commons/b/b0/Ignite_Ia_microprocessor.JPG
Sept 8 2013 -
Konrad Zuse (1910-1995)
Konrad Zuse created the first process-controlled computer. He is also known for making the Z3, which became operational in May 1941. http://commons.wikimedia.org/wiki/File:Konrad_Zuse_(1992).jpg
Sept 8 2013 -
Steve Jobs (1955-2011)
Steve Jobs was the creator of Apple Inc. He was a visionary and a creative genius. http://fc05.deviantart.net/fs71/i/2011/280/9/1/steve_jobs_by_citizenxcreation-d4c4g5q.jpg
Sept 8 2013
.jpg){kind=link}
