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| key·punch [ k pùnch ] |
noun (plural key·punch·es) |
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machine for punching holes: a machine, operated by keyboard, that punches holes in cards or paper for use in a data-processing system, now largely obsolete
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transitive and intransitive verb (past and past participle key·punched, present participle key·punch·ing, 3rd person present singular key·punch·es) |
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to punch holes for data entry: to use a keypunch to punch holes in a card or paper tape for data entry into a computer
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 key·punch·er noun |
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