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History of the personal computer in picturesFrom an idea to the implementation
Computer idea - 1843
Ada Lovelace (Byron) publishes “Notes” on Babbage’s Analytical Engine
First analog computer - 1931
Vannevar Bush creates the Differential Analyzer, an electromechanical computer.
Turing’s Colossus - 1943
Colossus, a vacuum-tube computer to break German codes
Mark I - 1944
Harvard Mark I
ENIAC - 1945
ENIAC was first electronic general-purpose computer. ENIAC contained 17,468 vacuum tubes, 7,200 crystal diodes, 1,500 relays, 70,000 resistors, 10,000 capacitors
Transistor invented - 1947
Transistor invented by John Bardeen, William Shockley and Walter Brattain in Bell Labs
A modern computer - 1952
Von Neumann made a modern computer in Institute for Advanced Study
Microchip - 1958-1959
Jack Kilby, Noyce and Fairchild invented microchip independently
Intel 4004 - 1971
Intel 4004 microprocessor unveiled
Altair 8800 - 1975
Altair personal computer from MITS appears
Apple I - 1975
Steve Jobs and Steve Wozniak created Apple personal computer