Written in a very simple language within the comprehension of the students of an average caliber, this book imparts in-depth knowledge in the areas required to be covered at undergraduate level. It is ideally suited to the needs of 1st year students pursuing this course in the Andhra Pradesh polytechnic institutions. Each topic includes program objective, solution planning, program logic; logic analysis and results are provided for all the programs for building perfect foundation. All the programs are running programs. They can be directly entered, compiled and executed in computer lab sessions. Numerous exercises at the end of each chapter, following the pattern suggested in the syllabus, are included in this book.