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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク IBM 2540 ： ウィキペディア英語版 IBM 2540 The IBM 2540 was 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.〔(【引用サイトリンク】url=http://www.cbi.umn.edu/hostedpublications/pdf/IBMRochesterHistory.pdf )〕 The 2540 could read punched-cards at 1000 cards per minute (CPM) and punch at 300  CPM. The 2540 was based on the design of the older, slightly slower, 1402. ==Description== The 2540 attached to a System/360 multiplexer or selector channel through an IBM 2821 Control Unit. A standard 2540 processed standard IBM 80 column punched cards. The card reader (2540R) and card punch (2540P) devices were separately addressable and functioned independently. The 2540 normally read and punched EBCDIC data, called data-mode 1. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「IBM 2540」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.