card punch; card punching device
Computing term for a machine that punches holes in cards for data storage or processing. Historical usage; modern contexts may refer to legacy systems.
This card punch was used with mainframes in the 1960s.
穿孔機 is a general term for a punching machine, while カード穿孔装置 specifically refers to a card punch device in computing.
Compound of カード (card) + 穿孔 (punching, perforation) + 装置 (device, apparatus).