Today, every member of a business entity, at all the levels of management, has to deal with technology while performing his or her job responsibilities. As a result, from entry level executive to the level of CEO, all the members of an organization encounter technology on a daily basis. Today's students and tomorrow's executives have to take the advantage of technology; they must know how to use technology efficiently and effectively. Appropriate application of IT is one of the primary keys to efficient and effective business operation as we are into the 21st century. The present book attempts to provide the required foundation in the area of Information Technology. 'Foundations of I.T.' is designed for computer and management students with no particular background in Computers or Information Technology. The book not only covers the basic and fundamentals of IT but also deals with advance concepts and structures comprehensively. The present book will be useful in understanding the fundamentals, applications and major roles, IT play in various walks of life daily. The present text also focuses on the technological changes and trends that are revolutionizing the various knowledge areas under business management. The role and applications of information technology in business have been extensively discussed in the present book. Attempt has been made to follow 'non-technical' and 'simple-to-understand' approach throughout the text. The present text also serves as a course and textbook particularly for the papers of Information Technology and Computer Fundamentals of MBA, BBA, MCA, BCA, B. Sc. (IT), PGDCA, M.Com etc., being run by various colleges and universities.