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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 History of computing ： ウィキペディア英語版 History of computing The history of computing is longer than the history of computing hardware and modern computing technology and includes the history of methods intended for pen and paper or for chalk and slate, with or without the aid of tables. The timeline of computing presents a summary list of major developments in computing by date. ==Concrete devices== Computing is intimately tied to the representation of numbers. But long before abstractions like ''the number'' arose, there were mathematical concepts to serve the purposes of civilization. These concepts are implicit in concrete practices such as : *''one-to-one correspondence'', a rule to count ''how many'' items, say on a tally stick, eventually abstracted into ''numbers''; *''comparison to a standard'', a method for assuming ''reproducibility'' in a measurement, for example, the number of coins; 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「History of computing」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.