An introduction to the fundamentals of business information systems that provides a quick and thorough overview. After describing the functions of the PC and the role of computers in local and global networks the authors explain fundamentals of data management, as well as the support of firms' functions and processes through information processing. The concepts utilized are deployed in a multitude of modern and integrated application systems in manufacturing and service industries. These application examples serve as the core of the book. Many application examples illustrate the methodologies addressed. By reading this book, MBA students as well as undergraduate business and management students will learn about the information systems' internal role of integrating the enterprise through a cohesive set of business processes and functional applications in order to meet business needs.