The board of directors realize that successful marketing requires improved information access regarding current subscribers and the ability to target specific market segments. Hence, the board has agreed to fund the development of a system that can provide income potential through targeting specific segments of the intitute's membership population. The income potential is realized through selling mailing lists of members targeted by particular attributes defined by the requesting organization. Processing Environment System must run in a maximum of 32Mb of RAM with existing applications. Current usage indicates approximiately 1Mb of RAM available for program and data.
Additional storage is needed for lists generated and saved to disk.
Any mailing list required 143 bytes per entry. Multiple lists therefore could consume considerable space. It becomes a matter for the users to manage their external storage to contend with the generation and saving of multiple mailing lists. System Model 3.1 Convert Process 3.2 Generator 4. Data Definition See appendix for guidance on notation .