Computer Timeline 1937-1950

First digital computer - John Atanasoff & Clifford Berry

1942

First purely digital computer which uses vacuum tubes, binary math & boolean logic

Colossus - Collaboration & Alan Turing

1943

First programmable digital computer

ENIAC

1946

First successful high-speed electronic digital computer

Sillicon Transistor - Bells Lab

1947

First silicon transistor -- less power needed

EDVAC

1950

First stored-program computer