1 déc. 1890 - 1890: Herman Hollerith
Description:
Herman Hollerith designs a punch-card system to help calculate the 1890 U.S. Census. The machine, saves the government several years of calculations, and the U.S. taxpayer approximately $5 million, according to Columbia University Hollerith later establishes a company that will eventually become International Business Machines Corporation (IBM).Ajouté au bande de temps:
Date:
1 déc. 1890
Maintenaint
~ Il y a 134 ans