My warm and grateful acknowledgements are to all those who gave me motivation and guidance to write this book. I am grateful to Director Prof. Pankaj S. Desai, DUIAS and DSIM&C, Valsad for his constant encouragement, support and cooperation.
I express my sincere obligations to the entire teaching and nonteaching staff for providing me an affable and healthy atmosphere. I also put on record of thankfulness to my colleagues for their support and sharing knowledge.
Most importantly, I wish to thank my loving parents and in laws for their endless love, priceless perpetual, indispensable help, support made all this possible.
I would like to record my sincere gratitude to my supervisor Prof. V. H. Pradhan, SVNIT Surat, for his continuous support, motivation, enthusiasm, and immense knowledge.
Above all, I express my profound gratitude to the almighty God for all his grace and light, which gave strength as well as inspired me to write this book. Finally, I express my thanks, to all the members who have co-operated me and helped me to complete this book efficiently and pleasingly.
I would also like to thank all our students who had many queries in concepts which motivated us design this book. A special thanks to my colleague Mr. Yatin Solanki, Asst. Professor, DUIAS and DSIM&C, Valsad for all the support and valuable inputs. My sincere thanks to Mr. Chetan Rathod, Asst. Professor, Vivekanand College for Advanced Computer & Information Science, Surat for managing all the publication related stuff and make this book possible. Last but not the least I express my special thanks to Jump2Learn for providing platform to contribute my knowledge in the form of book.