Résumé: The purpose of the paper Is to place "reformation systems in perspective," that is, to place the elements of information systems in their proper positions with respect to importance, content, and utility An information system is intended to provide information needed by the user in the conduct of his business Since that covers a broad set of situations, the paper is restricted to the general purpose aspects of file-oriented information systems, highlighting the trade-offs of ~mportance to the user, the designer, the implementer, and the operator In particular, the management information system (MIS) is discussed. In thin paper, MIS is defined as "an information system which provides the manager with that information he needs to make decisions."

Langue: Anglais