On June 8, 1887, Herman Hollerith applied for US patent #395,781 for his punch card counting machine, a device considered to be among the foundations of the modern information processing industry and ...
From the early 20th century into the 1970s, Americans used punched cards to enter data onto tabulating equipment and then electronic computers. This early key-operated punch is based on patents of the ...
Statistician and inventor Herman Hollerith became known as the father of modern automatic computation for his electric tabulating system, which revolutionized the US census. He was recruited to work ...
Punched cards and the 1890 United States census -- New users, new machines -- U.S. challengers to Hollerith -- The rise of international business machines -- Decline of punched cards for European ...
Credit: Maria Dryfhout/Shutterstock.com. This month, the U.S. Census Bureau undertakes the 24th national census, beginning with Census Day on April 1. Today's tools for data collection include the ...
DURING the past twenty years many successful applications of commercial calculating and accounting machines to scientific computing have been made. About fourteen years ago pioneer work in the ...