card punch

(redirected from keypunch machine)
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card punch

n
1. (Computer Science) a device, no longer widely used, controlled by a computer, for transferring information from the central processing unit onto punched cards. Compare card reader
2. (Computer Science) another name for key punch
References in periodicals archive ?
From the first day of training, she fell in love with the keypunch machine and became very fast on it.
Hospitals had 029 keypunch machines, racks of keypunch cards, and reams of coding sheets for correcting errors.
Much like the keypunch machines they eventually replaced, the first editors worked on one line at a time because mainframes of that era generally did not have display screens, just line-feed printers that printed plain text on paper.