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A formal grammar describes which strings from an alphabet of a formal language are valid according to the language's syntax. 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.
A computer scientist is a scientist who specializes in the academic study of computer science. [1]Computer scientists typically work on the theoretical side of computation. Although computer scientists can also focus their work and research on specific areas (such as algorithm and data structure development and design, software engineering, information theory, database theory, theoretical ...
The "block structure" aspect that context-free grammars capture is so fundamental to grammar that the terms syntax and grammar are often identified with context-free grammar rules, especially in computer science. Formal constraints not captured by the grammar are then considered to be part of the "semantics" of the language.
The Chomsky hierarchy in the fields of formal language theory, computer science, and linguistics, is a containment hierarchy of classes of formal grammars. A formal grammar describes how to form strings from a language's vocabulary (or alphabet) that are valid according to the language's syntax.
There is no clear division in computing between science and engineering, just like in the field of materials science and engineering. However, some classes are historically more related to computer science (e.g. data structures and algorithms), and other to computer engineering (e.g. computer architecture).
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 February 2025. Engineering discipline specializing in the design of computer hardware "Hardware engineering" redirects here. For engineering other types of hardware, see mechanical engineering. For engineering chemical systems, see chemical engineering. Computer engineering Occupation Names Computer ...