Software development helps in developing, testing and operating softwares. These softwares are mostly used in the fields of communication, business, military intelligence, etc. Software engineering can be categorized into a number of steps like requirement, design of the software, testing, etc. This book outlines the processes and applications of software engineering in detail. It is an essential guide for both academicians and those who wish to pursue this discipline further. Through it, we attempt to further enlighten the readers about the new concepts in this field.