This textbook addresses the range of issues that need to be considered when managing an information system. The author’s aim is to encourage a more critical evaluation of computer-based information systems, to foster an objective and balanced approach to the advantages and disadvantages, the opportunities and the risks associated with the adoption of such systems in all kinds of institution or enterprise. The computer-based information systems is totally dependent on quality human intervention. The book is aimed primarily at advanced undergraduate and postgraduate students of management information systems but could prove of interest to information systems managers in commerce and industry.