Information Technology is one of the most dynamic fields and has been constantly evolving. The challenge therefore is to identify the key and important concepts and present them to readers in a simple manner so that they can not only understand them but also grasp them well. The main objective of this book is to introduce Information Technology in a simple language to everyone, regardless of their specialization so as to enable them with the skills, basic knowledge, and legal aspects of using information technology. This book would empower the readers with the basic understanding, usage, advantages and also the risks related to IT.