FUNDAMENTALS OF INFORMATION TECHNOLOGY comprehensively covers both the basic and advanced aspects of Information Technology. The book starts with a simple but comprehensive discussion of basic concepts of Information Technology as well as Computer Science. It explains the various common input/output devices along with a few advanced and rarely use ones in detail. The book also discusses a majority of the widely used application softwares with its area of application and includes review questions to reinforce and enhance learning. Basics to advanced topics of computer networks are presented in the computer networks section. The book is written in a reader-friendly style the book is primarily designed to meet the needs of the under-graduate students of several disciplines.