This book, ‘IGNOU MCS-219 Object-Oriented Analysis and Design Previous Years Unsolved Papers’, has been meticulously compiled to serve as a comprehensive resource for students preparing for their examinations in this critical subject. The unsolved papers included in this book have been selected from previous years’ question papers, offering a wide range of problems that reflect the diversity and depth of the subject matter covered in the MCS-219 course. These papers provide students with an invaluable opportunity to test their understanding, apply theoretical knowledge, and refine their problem-solving skills in the context of object-oriented design.This book is not only a study aid but also a tool for self-assessment and continuous learning. It encourages students to think critically and analytically, to approach problems with a structured mindset, and to explore multiple solutions to complex design scenarios. For educators, this book offers a rich repository of exam-style questions that can be used to create practice tests, assignments, or classroom discussions.