This text covers the information requirements and management perspectives required in a business environment. Fully updated to include all recent developments in the area of information systems, this book: places more emphasis upon managerial issues, in particular the strategic and competitive benefits of information technology; includes enhanced sections on networks and communications, both in disucssion of technology and of organizational impact; has extended coverage of decision support systems, and includes executive information systems and other new tools in this area; and includes three new chapters on strategy and information systems, distributed systems networks and the organization, and decision-support and end-user computing. and computer students.