This book aims at presenting a systematic knowledge of the management information technology, so that it can be appreciated and understood for application in business and industry. It has a balanced management and technology coverage, which makes the text indispensable for students and professionals. The new and updated fourth edition reflects the present trend prevailing in the information era. It shifts the focus on the information needs of a digital firm for running the business efficiently and effectively. The book continues to have five parts covering the text and comprehensive cases related to MIS.