Information technology, which is exclusively designed to store, process, and transmits information, is known as Information Technology.Computers and Information Technology are an indispensable part of any organization. The first edition of "Advance concept of Information Technology" has been shaped according the needs of current organizational and academic needs This book not only for bachelor’s degree and master’s degree students but also for all those who want to strengthen their knowledge of computers. Furthermore, this book is full to capacity with expert guidance from high-flying IT professionals, in-depth analyses. It presents a detailed functioning of hardware components besides covering the software concepts in detail. An extensive delineate of computer architecture, data representation in the computer, operating systems, database management systems, programming languages, etc. have also been included marvelously in an array .One should use this book to acquire computer literacy in terms of how data is represented in a computer, how hardware devices are integrated to get the desired results, and how the computer works with software and hardware. Features and applications of Information Technology –