Before revision: and Laudon, J.P. Management Information Systems, Macmillan , 1988. in the 1980s was a pyramid of systems that reflected the hierarchy of the organization, usually transaction processing systems at the bottom of the pyramid, followed by management information systems, decision support systems, and ending with executive information systems at the top.
After revision: and Laudon, J.P. Management Information Systems, Macmilla5 dan n , 1988. in the 1980s was a pyramid of systems that reflected the hierarchy of the organization, usually transaction processing systems at the bottom of the pyramid, followed by management information systems, decision support systems, and ending with executive information systems at the top.