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A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times, and the best ...
English-language users appear to be a plurality of web users, consistently cited as around one-third of the overall (near one billion). This reflects the relative affluence of English-speaking countries and high Internet penetration rates in them. This lead may be eroding due mainly to a rapid increase of Chinese users. [14]
A computer language is a formal language used to communicate with a computer. Types of computer languages include: Construction language – all forms of communication by which a human can specify an executable problem solution to a computer. Command language – a language used to control the tasks of the computer itself, such as starting programs
Computer programming is the process of writing, testing, debugging, and maintaining the source code and documentation of computer programs. This source code is written in a programming language, which is an artificial language that is often more restrictive than natural languages, but easily translated by the computer. Programming is used to ...
The phrase grammar of most programming languages can be specified using a Type-2 grammar, i.e., they are context-free grammars, [8] though the overall syntax is context-sensitive (due to variable declarations and nested scopes), hence Type-1. However, there are exceptions, and for some languages the phrase grammar is Type-0 (Turing-complete).
One of the most important parts of a natural language grammar checker is a dictionary of all the words in the language, along with the part of speech of each word. The fact that a natural word may be used as any one of several parts of speech (such as "free" being used as an adjective, adverb, noun, or verb) greatly increases the complexity of ...
Wikipedia was launched on January 15, 2001 [20] (referred to as Wikipedia Day) as a single English-language edition at www.wikipedia.com, [W 6] and was announced by Sanger on the Nupedia mailing list. [22] The name originated from a blend of the words wiki and encyclopedia.
A grammar does not describe the meaning of the strings or what can be done with them in whatever context—only their form. A formal grammar is defined as a set of production rules for such strings in a formal language. Formal language theory, the discipline that studies formal grammars and languages, is a branch of applied mathematics.
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