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

Prachi Biology for Class 9
Full Marks Science Complete Study Material Class 7 (Based on CURIOSITY New NCERT Textbook and CBSE Syllabus)
Madhubun A Practical Course in Interactive English Grammar for Class 9-10
Full Marks Chemistry Complete Study Material Class 12 (Based on Latest NCERT Textbook Chemistry (Part 1 & 2) and CBSE Syllabus)
Full Marks Social Science Complete Study Material Class 9 (Based on India and the Contemporary World-I, Contemporary India-I, Democratic Politics-I, Economics) 

