A Data Entry Operator/Analyst is a person who is responsible for entering data into different applications and computer databases, managing and maintaining effective record keeping. In addition, S/he is responsible for organizing files, collecting, and managing data to be entered into the computer. S/he is also responsible for security of data and safeguard of the computer network.
Information Technology (Subject code: 402) is a series of two books for grades 9 and 10 that aim to introduce the concepts necessary for an aspiring data entry operator/analyst.
These books are available with updated content as per the latest 2025 CBSE syllabus

Full Marks Science Complete Study Material Class 10 (Based on New NCERT Science Textbook and CBSE Syllabus)
Full Marks CBSE Biology for Class 11
Oxford Revised and Updated Reboot Computer Book for Class 3
Full Marks Chemistry Complete Study Material Class 12 (Based on Latest NCERT Textbook Chemistry (Part 1 & 2) and CBSE Syllabus)
Full Marks Science Complete Study Material Class 9 (Based on New NCERT Science Textbook and CBSE Syllabus) 

