This book has been written in accordance with the course syllabi of DOEACC society. Each chapter has been embedded with the screen shots to make you feel what the screen look like. While running the application. Each chapter is enriched with examples which can be attempted to supplement the reading. At the end of each chapter, there is a thorough revision of the text read. Not to mention of the questions provided in the beginning, both in the form of objective and subjective. The book also contains Sample papers based on the samples provided by DOEACC society. These would help you in preparing for the exams.