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About: Keypunch     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatComputerPeripheralsyago:WikicatComputingInputDevicesyago:Artifact100021939yago:DataInputDevice103163973yago:ElectronicEquipment103278248yago:Equipment103294048yago:Instrumentality103575240yago:Object100002684yago:Peripheral103916720yago:PhysicalEntity100001930deviceyago:Whole100003553 New Facet based on Instances of this Class

A keypunch is a device for precisely punching holes into stiff paper cards at specific locations as determined by keys struck by a human operator. Other devices included here for that same function include the gang punch, the pantograph punch, and the stamp. The term was also used for similar machines used by humans to transcribe data onto punched tape media. For Jacquard looms, the resulting punched cards were joined together to form a paper tape, called a "chain", containing a program that, when read by a loom, directed its operation.