The holes were punched by a human operator at a keypunch machine or on a stand-alone card reproducer. Punch cards were fed into computers by card readers. Punch cards were synonymous with data ...

The IBM 7090 was one of the first computers in NASA’s control room in 1960. Punch card operator: If you’re old enough to remember paper punch cards, it’s time for a night serum.

A Hackaday card, thanks to the online card punch It is hard to remember, but there was a time when cards reigned supreme. Sometimes called Hollerith cards after Herman Hollerith, who introduced ...

A punch-card data entry machine. A deck of blank cards was placed into a hopper, and, upon operator command, the machine fed one card to a punch station. As characters were typed, a series of dies ...

Those old enough to have encountered punch cards in their lifetime are probably glad to be rid of their extremely low data density and the propensity of tall stacks to tip over. But obsolete as ...