Definition of punched card in English:

punched card

(also punchcard)

nounˈpʌn(t)ʃkɑːd

单词	punched card
释义	Definition of punched card in English: punched card (also punchcard) nounˈpʌn(t)ʃkɑːd A card perforated according to a code, formerly used to program computers. 穿孔卡（片） Example sentencesExamples Both the IBM and the Burroughs were programmed with punched cards, and neither were available for me to " watch the lights and hear the grunts’. Remember, this was all at a time when computing to the rest of us meant running a few thousand punched cards through a mainframe and waiting to get your output the next day from the line printer. Englebart thought it eminently sensible to have some kind of visual display to represent what the computers were doing - rather than have a box full of punched cards to display one character. This was different from the big IBM mainframe, where one submitted a deck of punched cards, then waited around for their own job to run. The important thing to remember here is that Information Technology, which used to mean computers and punched cards, now means EVERYTHING.
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