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v2

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Inventor
Invention/Date
Blaise Pascal   Pascaline/1642  
🗑
Gottfried Wilhelm von Leibinz   Stepped Reckoner/1670  
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Charles Babbage   Analytical Engine-Calculating Machine/1842  
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Herman Hollerith   Tabulating Machine/1890  
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John Atanasoff/Clifford Berry   Atanasoff-Berry Computer/1939  
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Howard H Aiken   Mark 1  
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John Mauchly/J. Presper Eckert   Electronic Numerical Integration and Calculator  
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Alan Turing   Enigma/1939  
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Jon von Neumann   Electronic Discrete Variable Automatic Computer/1947 ; Electronic Delay Storage Automatic Calculator/1949  
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William Shockley/John Bardeen/Walter Brittain   Transistor/1947  
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Grace Murray Hopper   Common Business Oriented Language/1959  
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Jack Kilby   Integrated Circuit/1958  
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William Gates III/Paul Allen   Microsoft/1975  
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Thomas Knoll/John Knoll   Adobe Photoshop/1988  
🗑
Alan Shugart   Floppy Disk/1967  
🗑
Steve Russel   Space War/1962  
🗑
Peter Arvai/Peter Halacsy/Adam Fischer   Prezi/2009  
🗑


   

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Created by: EquinoX
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