From the early 20th century into the 1970s, Americans used punched cards to enter data into tabulating equipment and then electronic computers. This is an early key-operated punch, based on patents of ...

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 ...

These are serious times. Our government is in dire financial distress. And public trust in the government is slowly approaching zero with the recent revelations there were very unusual activities ...

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 ...