- four-valued
- четырёхзначный
English-Russian dictionary of terminology cable technology.
four-valued
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Four valued logic — is used to model signal values in digital circuits: the four values are Z, X and the boolean values 1 and 0. Z stands for high impedance or open circuit, while X stands for unknown . There is also a 9 valued logic standard by the IEEE called IEEE … Wikipedia
Four Arts of the Chinese Scholar — The Four Arts of the Chinese Scholar, otherwise known as siyi (), is a term used to describe four main requirements of the Chinese scholar gentleman. They are qin ( qin), qi ( qi), shu ( calligraphy) and hua ( painting). Origin of the… … Wikipedia
Four occupations — A painting of a gentry scholar with two courtesans, by Tang Yin, c. 1500 CE. The four occupations or four categories of the people [1] (simplified Chinese: 士农工商; traditional Chinese … Wikipedia
Four-vertex theorem — The Four vertex theorem states that the curvature function of a simple, closed plane curve has at least four local extrema (specifically, at least two local maxima and at least two local minima). The name of the theorem derives from the… … Wikipedia
Four Freedoms (European Union) — In European Union law, the Four Freedoms is a common term for a set of treaty provisions, secondary legislation and court decisions, protecting the ability of goods, services, capital, and labour to move freely within the internal market of the… … Wikipedia
Four Seasons Centre — The Four Seasons Centre for the Performing Arts is a 2,071 seat theatre in Toronto, Ontario, Canada which had its grand opening Wednesday, June 14, 2006.The venue is the new home of the Canadian Opera Company (COC) and the National Ballet of… … Wikipedia
Four Ways to Scream Your Name — Infobox Album | Name = Four Ways to Scream Your Name Type = EP Artist = Funeral for a Friend Released = 21 April 2003 Recorded = Chapel Studios (London, England) in January and February 2003 Genre = Post hardcore Length = 15:50 Label = Infectious … Wikipedia
Many-valued logic — In logic, a many valued logic (also multi or multiple valued logic) is a propositional calculus in which there are more than two truth values. Traditionally, in Aristotle s logical calculus, there were only two possible values (i.e., true and… … Wikipedia
Null (SQL) — The Greek lowercase omega (ω) character is used to represent Null in database theory. Null is a special marker used in Structured Query Language (SQL) to indicate that a data value does not exist in the database. Introduced by the creator of the… … Wikipedia
Logic — For other uses, see Logic (disambiguation). Philosophy … Wikipedia
Relational model — The relational model for database management is a database model based on first order predicate logic, first formulated and proposed in 1969 by Edgar Codd. [ Derivability, Redundancy, and Consistency of Relations Stored in Large Data Banks , E.F … Wikipedia
