Includes bibliographical references and index.

Module 1. Background -- Module 2. Hardware -- Module 3. Systems and software -- Module 4. Social impact -- Module 5. Programming.

The purpose of this book is to acquaint readers with all four of the following related areas of knowledge required for computer literacy : computer themselves, the organization, function, capabilities, and limitations of the equipment in modern computer systems of all sizes; what computers do, common data processing uses or applications of computers in today's society are treated; how computers are put to work, the techniques used in the analysis and design of information systems are explained, and the procedures that are used to prepare programs are outlined; the social impact of computers at work, the ways in which people and organzations may be affected by present and future computer applications are presented.