ATion> (MIS) A computer system, usually based on a mainframe or minicomputer, designed to provide management personnel with up-to-dATe informATion on an organisATion' s performance, e.g. inventory and sales. These systems output informATion in a form thAT is useable by managers AT all levels of the organisATion: strATegic, tactical, and operATional. A good example of an MIS report is an annual report for a stockholder (a scheduled report). [Que' s Computer User' s Dictionary Second Edition, 1992]. (2001-04-01)