noun
- plural of keypunch: machines used to punch holes in cards to encode data
Usage: historical computing
verb
- third person singular present of keypunch: operates a keypunch machine to encode data on punched cards
Usage: historical computing
Examples
- The data center had several keypunches for processing information.
- She keypunches the survey data onto cards for computer analysis.
- Old keypunches are now displayed in computer museums.
- The operator keypunches each record carefully to avoid errors.
- Before modern computers, keypunches were essential office equipment.
- He keypunches the inventory numbers into the system.
- The keypunches made distinctive clicking sounds during operation.