The book, Essentials of Information Technology (402) for CBSE Class IX, based on the Skill Subject approved by CBSE’s Department of Skill Education, has been brought out with an aim to upgrade the skills and proficiency of the young learner in the field of Information Technology. This book, for the job role of ‘Domestic Data Entry Operator’, has been developed to impart knowledge and skills through hands-on learning, which forms part of experiential learning. Experiential learning focuses on the learning process for an individual. Thus, student-centered learning activities have been included in the book. The book has been prepared strictly in accordance with the CBSE curriculum. The course has been divided into two parts – Employability Skills and Subject-specific Skills – details of which are as under: • Employability Skills incorporates five important skill sets, viz. Communication Skills, Self-Management Skills, ICT Skills, Entrepreneurial Skills and Green Skills. Each of these skills has been covered in detail as a separate unit as per the CBSE syllabus. • Subject-specific Skills covers introductory concepts about IT and ITeS industry, its applications, usage of keyboard and mouse for data entry, introduction to touch-typing technique and typing software, fundamental topics and features of OpenOffice Writer, Electronic Spreadsheet Calc and Digital Presentation Impress. It consists of five units. Unit 1 focuses on Importance and Applications of IT and ITeS industry in various sectors. Unit 2 introduces the technique and importance of touch typing, introduction to RapidTyping Tutor Software, ergonomics and sitting posture to put the student on a firm footing in terms of health aspects associated with computer systems. Unit 3 is based on Basics of Digital Documentation and its salient Editing and Formatting and Mail Merge features, while Unit 4 is about Electronic Spreadsheets, performing calculations using Formulas and Functions and creating Charts. Unit 5 covers the basic skills to create a slide show so that students can learn to prepare presentations.