Presenting the fully revised and updated edition of Arihant’s All-In-One for 2024-25. This comprehensive study guide provides all the necessary tools to understand the concepts, practice them, and assess one’s progress. The present edition of Computer Science for class 12 is designed to enhance the learning experience for students. Tailored to align with the CBSE syllabus, this book offers a range of key features, including in this chapter, complete theory, comprehensive Mind Maps, and Competency-Based Questions for effective practice. Our commitment to clarity is further emphasized through “Illustrative Figures”, incorporating diagrams that bring concepts to life. Also in each chapter, checkpoints, exam pattern exercises, and chapter tests are given for practice. Aligned with the probable exam pattern, it also includes 3 sample question papers, True/ False, assertion & reason questions, the latest CBSE question paper, CBSE examination paper 2023, and Diksha App Questions for thorough preparation. This book presents the entire NCERT Textbook in a logical and accessible manner, enabling students to immerse themselves fully in their studies.