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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 ?
She also worked as a keypunch operator at Harr Ford and a variety of local banks.
We used a keypunch machine and the college's mainframe computer to run Fortran programs for the data analysis for some of our lab experiments.
And it would save us the money we pay the bank to keypunch the numbers.
Finally, we corrected the data for obvious keypunch errors, deleted observations with negative inputs or outputs, and one observation with idiosyncratically high sales volatility.
Rees and Shultz [1970] in studying the search behavior of workers in Chicago concluded that "white-collar workers such as typists, keypunch operators, tabulating machine operators, and accountants do in fact rely heavily upon 'formal' methods of search (private employment agencies, training school agencies, newspaper ads) whereas blue-collar workers typically found jobs by 'informal' methods (gate applications, referral by a friend).
A simple swipe or insertion of the driver's license uses ID Check to automatically fill in the name and address fields on the Reward Card application, saving the customer time and eliminating keypunch errors.
Portable scanner speeds electronic form entry of driver's licenses, credit cards, student IDs, military IDs, membership cards and loyalty cards, eliminating keypunch errors
I then moved on to become a keypunch operator recording daily cash disbursements and managing civilian payroll.
From Lackland, Nolan moved on to Sheppard Air Force Base, Texas, for technical training as a teletype and keypunch operator, one of the early functions of the communications career field.
She worked for Timex as a keypunch operator in Waterbury for many years.
As typists, wire women, process checkers, keypunch operators, assemblers, coil-winders, and in a variety of other positions, women constituted nearly 40 percent of the WeKearny workforce at any given time.
She started as a keypunch operator at Union Oil, then moved to PG&E and was promoted to a supervisory position.