1st business computer

LEO: T. Raymond Thompson and John Simmons develop the first business computer, the Lyons Electronic Office (LEO) at Lyons Co. UNIVAC: UNIVAC I (UNIVersal Automatic Computer I) is introduced - the first commercial computer made in the United States and designed principally by John Presper Eckert & John W. Mauchly EDVAC: The EDVAC (Electronic Discrete Variable Automatic Computer) begins performing basic tasks. Unlike the ENIAC, it was binary rather than decimal

1951