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 ...

In fact, a common prank was to punch every column in a card so it would become flimsy and jam the reader, which the operator, of course, was sure not to appreciate. These were sometimes called ...

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 ...

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 ...