Hollerith Punch Card Tabulator By Abdulla Jun 1, 1890 Hollerith Punch Card Tabulator Electromechanical tabulator for the 1890 U.S. Census. Text: Herman Hollerith’s punch‑card tabulating system processed the 1890 U.S. Census in months instead of years. It marked the birth of large‑scale data processing and paved the way for IBM.
Electromechanical tabulator for the 1890 U.S. Census.