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Claasen's logarithmic law of usefulness〔 〕 is named after technologist Theo A. C. M. Claasen, who introduced the idea in 1999 when he was CTO of Philips Semiconductors: : Usefulness = log(Technology) The law can also be expressed as: : Technology = exp(Usefulness) == Examples == System parameters (e.g. RAM, CPU speed, disk capacity) need to increase by a multiple to create a noticeable impact on performance. In the case of RAM, by the law, a 256MB unit is only 1/8 more practically useful than a 128MB unit though the base unit has doubled. It would require a 16384MB (128 × 128MB) unit of RAM to truly double performance under the law. A modern car (e.g. a Ford Mondeo) is not substantially more useful at getting the occupants from A to B than an older car (e.g. a Ford Model T) 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「Claasen's law」の詳細全文を読む スポンサード リンク
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