Orange Computer Genius Ver. 2.1 is a comprehensive computer science textbook designed for Class 4 students. This edition covers fundamental concepts in information technology, including basic computer operations, internet safety, digital literacy, and introductory programming logic. The book features clear explanations, practical exercises, and engaging illustrations to help young learners build confidence with technology. Ideal for schools following CBSE and state board curricula, it serves as both a classroom resource and a self-study guide for students exploring computer fundamentals.