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The modern binary number system, the basis for binary code, is an invention by Gottfried Leibniz in 1689 and appears in his article Explication de l'Arithmétique Binaire (English: Explanation of the Binary Arithmetic) which uses only the characters 1 and 0, and some remarks on its usefulness.
A law of Boolean algebra is an identity such as x ∨ (y ∨ z) = (x ∨ y) ∨ z between two Boolean terms, where a Boolean term is defined as an expression built up from variables and the constants 0 and 1 using the operations ∧, ∨, and ¬. The concept can be extended to terms involving other Boolean operations such as ⊕, →, and ≡ ...
ABC Chinese-English Dictionary: 1996: First Chinese dictionary collated in single-sort alphabetical order of pinyin, John DeFrancis: A Chinese-English Dictionary: 1892: Herbert Allen Giles' bestselling dictionary, 2nd ed. 1912 A Dictionary of the Chinese Language: 1815–1823: First Chinese-English, English-Chinese dictionary, Robert Morrison ...
The Zhongwen Da Cidian, also known in English as the Encyclopaedic Dictionary of the Chinese Language, is an unabridged Chinese dictionary, edited by Zhang Qiyun and others. The first edition had 40 volumes including its radical index in volume 39 and stroke index in volume 40. It was published from 1962 through 1968. [1]
Here are three representative examples of praise: "the most extraordinary Chinese–English dictionary I have ever had such pleasure to look Chinese words up in and to read their English definitions"; [22] "The thorough scholarship and fresh outlook make it a valuable contribution to Chinese lexicography, while the high production standards and ...
Boolean domain, a set consisting of exactly two elements whose interpretations include false and true; Boolean circuit, a mathematical model for digital logical circuits. Boolean expression, an expression in a programming language that produces a Boolean value when evaluated; Boolean function, a function that determines Boolean values or operators
The previous character dictionary published in China was the Hanyu Da Zidian, introduced in 1989, which contained 54,678 characters.In Japan, the 2003 edition of the Dai Kan-Wa jiten has some 51,109 characters, while the Han-Han Dae Sajeon completed in South Korea in 2008 contains 53,667 Chinese characters (the project having lasted 30 years, at a cost of 31,000,000,000 KRW or US$25 million [4 ...
In computer science, a Boolean variable is a variable that takes values in some Boolean domain. Some programming languages feature reserved words or symbols for the elements of the Boolean domain, for example false and true. However, many programming languages do not have a Boolean data type in the strict sense.