keypunch(redirected from keypunchers)
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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.
1. a machine, operated by a keyboard, for coding information by punching holes in cards or paper tape in specified patterns.v.t.
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.