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Introduction,, supposedly used by ancient Greeks to determine the motions of the stars and planets , the astrolabes of the middle ages , and Pascal’s calculator , are only a few examples of early computional devices. However, the present usage of the term “computer” includes neither those relatively pri农学 发表于 2025-3-28 04:31:51
Number Systems and Number Representations,ical systems which became propagated, probably for the sole reason that human beings happen to have ten fingers. The Mayas used the vigesimal number system (based upon 20, i.e. fingers and toes) and even in our days, there are some endeavors to introduce the duodecimal system (based on 12) for g纪念 发表于 2025-3-28 09:49:12
Boolean Algebra,ill not use Boolean algebra for its originally anticipated purpose, the subject still can be introduced with a quotation from the preface to George Boole’s fundamental work : “Whenever the nature of the subject permits the reasoning process to be without danger carried on mechanically, the languaFoolproof 发表于 2025-3-28 13:36:31
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