A computer-based system that optimizes the collection, transfer, and presentation of information throughout an organization, through an integrated structure of databases and information flow. An approach to the design of computer systems that involves the integration of thousands of microprocessors within a single computer. Master file The permanent source of data for a particular computer application area. Mb See megabit . MB See megabyte .
Memory See RAM .
Menu A display with a list of processing choices from which a user may select. Menu bar A menu in which the options are displayed across the screen. Menu tree A hierarchy of menus. Message A series of bits sent from a terminal to a computer, or vice versa. Metafile A class of graphics that combines the components of raster and vector graphics formats.