Introduction In the landscape of Indian school education, particularly for students following the CBSE (Central Board of Secondary Education) curriculum, the name Sumita Arora is synonymous with Computer Science. For Class 9 students, this book acts as the foundational text for understanding the basics of programming, hardware, and software. It is widely regarded as the "bible" for students taking Computer Applications or Information Technology as a vocational or additional subject. Trucinorealfeelproject10var+work Instant