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Period: to
1930s
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Drum Memory
Gustav Tauscheck invents drum memory, a memory system that was used in many early computers. -
Z3
Konrad Zuse invents Z3, which was the first functioning programmable computer. -
Z1
Konrad Zuse invents Z1, the first electromechanical binary programmable computer. -
Turing Machine
Alan Turing invents the Turning Machine, the precursor to the Universal Turing Machine, which was used to crack the enigma code in World War Two. -
Electrophotographic Image
Chester Carlson creates the first electrophotographic image, which became the first Xerox machine, a precursor to the modern printer.