Management information systems provide a variety of reports and displays to management. The contents of these information products are specified in advance by managers so that they contain information that managers need. Management information systems retrieve information about internal operations from database that have been updated by transaction processing systems. They also obtain data about the business environment from external source.Today's computer systems come in a variety of sizes, shapes, and computing capabilities. Rapid hardware and software developments and changing end user needs continue to drive the emergence of new models of computers, from the smallest hand-held personal digital assistant for end users, to the largest multiple-CPU mainframe for the enterprise. The book is of tremendous significance for the people related to the field, researchers, students and teachers as well.
