For much of the 20th century, data was entered into data processing machines using punched cards. This is a machine for punching such cards manufactured by International Business Machines Corporation ...
The inventor of punched cards, which led to the first computers and companies like IBM, was aiming to solve a gnarly problem at the time: data collection for the census.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results