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Analog of the Japanese Type B Cipher Machine (codenamed Purple) built by the U.S. Army Signal Intelligence Service Purple analog in use. In the history of cryptography, the "System 97 Typewriter for European Characters" (九七式欧文印字機 kyūnana-shiki ōbun injiki) or "Type B Cipher Machine", codenamed Purple by the United States, was an encryption machine used by the Japanese Foreign ...
Purple is a color similar in appearance to violet light. In the RYB color model historically used in the arts, purple is a secondary color created by combining red and blue pigments. In the CMYK color model used in modern printing, purple is made by combining magenta pigment with either cyan pigment, black pigment, or both.
e. The evolution of languages or history of language includes the evolution, divergence and development of languages throughout time, as reconstructed based on glottochronology, comparative linguistics, written records and other historical linguistics techniques. The origin of language is a hotly contested topic, with some languages tentatively ...
Signature. Augusta Ada King, Countess of Lovelace (née Byron; 10 December 1815 – 27 November 1852), also known as Ada Lovelace, was an English mathematician and writer chiefly known for her work on Charles Babbage 's proposed mechanical general-purpose computer, the Analytical Engine. She was the first to recognise that the machine had ...
The Enigma machine was invented by German engineer Arthur Scherbius at the end of World War I. [4] The German firm Scherbius & Ritter, co-founded by Scherbius, patented ideas for a cipher machine in 1918 and began marketing the finished product under the brand name Enigma in 1923, initially targeted at commercial markets. [5]
Unofficial flag of Volapük. Volapük (English: / ˈvɒləpʊk /; [2] Volapük [volaˈpyk], 'Language of the World', or lit. 'World Speak') is a constructed language created between 1879 and 1880 by Johann Martin Schleyer, a Catholic priest in Baden, Germany, who believed that God told him to create an international language. [3]
Linguistics is the scientific study of language, [1] involving analysis of language form, language meaning, and language in context. [2]Language use was first systematically documented in Mesopotamia, with extant lexical lists of the 3rd to the 2nd Millennia BCE, offering glossaries on Sumerian cuneiform usage and meaning, and phonetical vocabularies of foreign languages.
Egyptian hieroglyphs (/ ˈhaɪroʊˌɡlɪfs / HY-roh-glifs) [ 1 ][ 2 ] were the formal writing system used in Ancient Egypt for writing the Egyptian language. Hieroglyphs combined ideographic, logographic, syllabic and alphabetic elements, with more than 1,000 distinct characters. [ 3 ][ 4 ] Cursive hieroglyphs were used for religious ...