This document provides information about the IT Level 3: IT Tools Class XI student handbook published by the Central Board of Secondary Education in India. It was developed by experts in consultation with industry representatives to provide competency-based vocational education in information technology. The handbook aims to use simple language and include illustrations to help students understand concepts. It contains 6 units that cover topics like computer hardware, operating systems, networking, internet safety, office automation tools, multimedia design, troubleshooting, and work-integrated learning in IT. The board acknowledges the contribution of practicing IT professionals and academic advisors in developing this resource for students.