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Definition: DCA


(1) (Document Content Architecture) Earlier IBM file formats for text documents. DCA/RFT (Revisable-Form Text) was the primary format and could be edited. DCA/FFT (Final-Form Text) was formatted for a particular output device and could not be changed. For example, page numbers, headers and footers were placed on every page. DCA gave way to Adobe's PDF format (see PDF).

(2) (Distributed Communications Architecture) A proprietary set of rules from Unisys that creates and maintains an end-to-end communications path between computing systems and their applications.

(3) (Digital Communications Associates, Inc., Alpharetta, GA) A manufacturer of communications products, known for its "IRMA board." In late 1994, DCA became part of Attachmate Corporation of Seattle, Washington. See IRMA board.