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There are different types of technical or engineering specifications (specs), and the term is used differently in different technical contexts. They often refer to particular documents, and/or particular information within them. The word specification is broadly defined as "to state explicitly or in detail" or "to be specific".
A pre-pressed compact disc which contains data or music playback and which cannot be written to. computer case. Also chassis, cabinet, box, tower, enclosure, housing, system unit, or simply case. The enclosure that contains most of the components of a computer, usually excluding the display, keyboard, mouse, and various other peripherals ...
Construction design specifications are referenced in US government procurement rules, where there is a requirement that an architect-engineer should specify using "the maximum practicable amount of recovered materials consistent with the performance requirements, availability, price reasonableness, and cost-effectiveness" in a construction design specification.
A functional specification (also, functional spec, specs, functional specifications document (FSD), functional requirements specification) in systems engineering and software development is a document that specifies the functions that a system or component must perform (often part of a requirements specification) (ISO/IEC/IEEE 24765-2010).
Spec Harkness (1887-1952), American professional baseball pitcher; Spec Keene (1894-1977), American college football, baseball and basketball coach; Spec O'Donnell (1911-1986), American film actor
Front page of a floppy disk controller data sheet (1979) A datasheet, data sheet, or spec sheet is a document that summarizes the performance and other characteristics of a product, machine, component (e.g., an electronic component), material, subsystem (e.g., a power supply), or software in sufficient detail that allows a buyer to understand what the product is and a design engineer to ...
are organic compounds containing amine (–NH 2) and carboxyl (–COOH) functional groups, along with a side chain (R group) specific to each amino acid. [ 16 ] [ 17 ] [ 18 ] The key elements of an amino acid are carbon (C), hydrogen (H), oxygen (O), and nitrogen (N), although other elements are found in the side chains of certain amino acids.
For the first portion of the list, see List of words having different meanings in American and British English (A–L). Asterisked (*) meanings, though found chiefly in the specified region, also have some currency in the other dialect; other definitions may be recognised by the other as Briticisms or Americanisms respectively. Additional usage ...