A description of what a system (e.g. a piece of software) does or should do (but not how it should do it). The functional specification is one of the inputs to the design process.
See IEEE/ANSI Std. 610.12-1990.
- Functional splint
functional splint n.
- Functional unit
A subsystem of the central processing unit of a computer. E.g. arithmetic and logic unit, memory address register, barrel shifter, register file. (1995-02-10)
- Function application
A function applied to (some of) its arguments. If it is not applied to all its argument then it is a “partial application”. Application is usually written in the form f(x) but some languages such as command-line interpreters and many functional languages use juxtaposition: f x. Lisp places the parentheses around the whole application: (f […]
[fuhngk-shuh-ner-ee] /ˈfʌŋk ʃəˌnɛr i/ noun, plural functionaries. 1. a person who in a specified capacity, especially in government service; an official: civil servants, bureaucrats, and other functionaries. /ˈfʌŋkʃənərɪ/ noun (pl) -aries 1. a person acting in an official capacity, as for a government; an official adjective 2. a less common word for functional, official n. […]