Business data systems: A practical guide to systems analysis and data processing

This offers a practical approach to the use of computers in business for both students and practitioners. Providing a coverage of the major aspects of business data processing, the text incorporates descriptions of the main business procedures, the types of business information which require to be defined before computer hardware and software choice and the methods involved in business systems development. This fourth edition also includes information covering more recent areas of systems development and data processing (including SSADM, prototyping and information engineering) . Changes to this edition include a new case study, based on a real company; new material on data protection; new information on fourth generation languages and expert systems; and a new chapter structure, with chapter five from previous editions (computer output) now updated and incorporated into a new chapter three (data capture and computer input/output devices) .