punched cardの例文

例文

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1. The Hollerith punched cards used for the US 1890 census were blank.
2. Punched cards remained in use in computing up until the mid 1980s.
3. Wallace Flint proposed an automated checkout system in 1932 using punched cards.
4. One of the earliest text entry interfaces was the punched card input.
5. Time clocks used punched cards to record workers in and out times.