翻訳と辞書 Words near each other ・ pufft ・ pull ・ pull media ・ pull-down list ・ pull-down menu ・ pulse code modulation ・ pumpkin ・ pumpkineer ・ pumpking ・ punch card ・ punched card ・ punt ・ purdue compiler-construction tool set ・ purdue university ・ pure functional language ・ pure lambda-calculus ・ pure lisp ・ purelink ・ purely functional language ・ purify Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク punched card ： FOLDOC punched card (Or "punch card") The signature medium of computing's Stone Age, now long obsolete outside of a few legacy systems. The punched card actually predates computers considerably, originating in 1801 as a control device for {Jacquard looms}. Charles Babbage used them as a data and program storage medium for his Analytical Engine: "To those who are acquainted with the principles of the Jacquard loom, and who are also familiar with analytical formul, a general idea of the means by which the Engine executes its operations may be obtained without much difficulty. In the Exhibition of 1862 there were many splendid examples of such looms. [...] These patterns are then sent to a peculiar artist, who, by means of a certain machine, punches holes in a set of pasteboard cards in such a manner that when those cards are placed in a Jacquard loom, it will then weave upon its produce the exact pattern designed by the artist. [...] The analogy of the Analytical Engine 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.