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- The IBM 2540 is a punched-card computer peripheral manufactured by IBM Corporation for use of System/360 and later computer systems. The 2540 was designed by IBM's Data Processing Division in Rochester, Minnesota, and was introduced in 1965. The 2540 can read punched-cards at 1000 cards per minute (CPM) and punch at 300 CPM. The 2540 is based on the design of the older, slightly slower, 1402. (en)
- IBM 2540読取穿孔装置（IBMにぃごぅよんまるカードよみとりせんこうそうち、英語: IBM 2540 Card Reader/Punch）はIBMが1965年に発表したSystem/360とそれに続くコンピューター用のIBM80欄カード読取り・穿孔装置であった。この装置はIBMロチェスターで以前のIBM 1402（IBM 1402）をベースに開発されたもので、読取り速度は毎分1,000枚、穿孔速度は毎分300枚で処理できた。 (ja)
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- 4315 (xsd:nonNegativeInteger)
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- IBM 2540 reader/punch (en)
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- File:IBM Logo 1956 1972.svg (en)
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- Punch card reader/writer (en)
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- The IBM 2540 is a punched-card computer peripheral manufactured by IBM Corporation for use of System/360 and later computer systems. The 2540 was designed by IBM's Data Processing Division in Rochester, Minnesota, and was introduced in 1965. The 2540 can read punched-cards at 1000 cards per minute (CPM) and punch at 300 CPM. The 2540 is based on the design of the older, slightly slower, 1402. (en)
- IBM 2540読取穿孔装置（IBMにぃごぅよんまるカードよみとりせんこうそうち、英語: IBM 2540 Card Reader/Punch）はIBMが1965年に発表したSystem/360とそれに続くコンピューター用のIBM80欄カード読取り・穿孔装置であった。この装置はIBMロチェスターで以前のIBM 1402（IBM 1402）をベースに開発されたもので、読取り速度は毎分1,000枚、穿孔速度は毎分300枚で処理できた。 (ja)
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- IBM 2540 (en)
- IBM 2540 (ja)
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