Z94.3 - Computer & Information Systems

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FIFO (FIRST-IN-FIRST-OUT). (ANSI) A queuing technique in which the next item to be retrieved is the item that has been in the queue for the longest time.

FILE. (1) (ANSI/ISO) A set of related records treated as a unit, e.g., in stock control, a file could consist of a set of invoices. (2) (ANSI) (INVERTED FILE, MASTER FILE, TRANSACTION FILE.)

FLAG. (1) (ANSI/ISO) An indicator or parameter that shows the setting of a switch. Syn: switch indicator. (2) (ANSI) Any of various indicators used for identification purposes; e.g., a word mark. (3) (ANSI) A character that signals the occurrence of some condition, such as the end of a word. (4) Syn: Sentinel.

FLEXIBLE DISK. (ANSI/ISO) A flexible magnetic disk enclosed in a protective container. Syn: Floppy Disk.

FLOATING-POINT REPRESENTATION SYSTEM. (ANSI/ISO) A numeration system in which a real number is represented by a pair of distinct numerals, the real number being the product of the fixed-point part, one of the numerals, and a value obtained by raising the implicit floating-point base to a power denoted by the exponent in the floating-point representation, indicated by the second numeral.

FLOPPY DISK. (See FLEXIBLE DISK.)

FLOWCHART. (ANSI/ISO) A graphical representation in which symbols are used to represent such things as operations, data, flow direction, and equipment, for the definition, analysis, or solution of a problem. Syn: flow diagram.

FONT. (ANSI) A family or assortment of characters of a given size and style, e.g., 9-point Bodoni modern.

FORMAT. (ANSI/ISO) The arrangement or layout of data in or on a data medium. (2) (ANSI) In a programming language, a language construct that specifies the rules for transformation between internal and character representations of data objects. (3) (ANSI) In text processing, and arrangement or layout of text.

FORTRAN. (FORMULA TRANSLATION). (ANSI) A programming language primarily used to express computer programs by arithmetic formulas.

FUNCTION. (1) (ANSI/ISO) A mathematical entity whose value, i.e., the value of the dependent variable, depends in a specified manner on the values of one or more independent variables, not more than one value of the dependent variable corresponding to each permissible combination of values from the respective ranges of the independent variables. (2) (ANSI) A specific purpose of an entity, or its characteristic action. (3) (ANSI) In data communication, a machine action such as carriage return or line feed. 

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