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A keyboard machine used to punch holes in cards or tapes for data-processing systems.
intr. & tr.v. key·punched, key·punch·ing, key·punch·es
To process on or use such a keyboard machine.

key′punch′er n.


1. a machine, operated by a keyboard, for coding information by punching holes in cards or paper tape in specified patterns.
2. to punch holes in (a punch card or paper tape) using a keypunch.
3. to insert (data) into a computer by means of a keypunch.
key′punch`er, n.
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References in periodicals archive ?
Docs complain that systems are making them into high-end keypunchers and," he notes, "if all they're doing is clinical documentation, they're right.
Remember that a separate check for each tax lot bill will help keypunchers apply the money appropriately.
The Edgewood trainees are being accorded more respect than many assembly-line data keypunchers.
We had to collect data automatically so our operators didn't have to also become keypunchers," Mr Brennolt says.