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stephanie
7th hour
Created by
stephanie
⟶ Updated 17 Oct 2017 ⟶
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Periods
abacus
blaise pascal
pascaline
gottfried wilhelm leibriz
leibniz machine
binary code
george boole
boolean algebra
charles babbage
tried to make a computer
herman hollerith
tibular
vannevar bush
rockefeller differential analyzer
claude shannon
alan turing
konrad zuse
john atansoff
cliffard berry