| 单词 | keypunch |
| 释义 | keypunch in American English (ˈkiˌpʌntʃ) noun 1. Also: key punch. Also called: card punch a machine, operated by a keyboard, for coding information by punching holes in cards or paper tape in specified patterns transitive verb 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 to keypunch code numbers Derived forms keypuncher noun Word origin [1930–35; key1 + punch1] |
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