Computers are used almost everywhere. It has revolutionised our social life and have transformed this world into a small global village. This new edition is a series of eight books (classes 1 to 8) for primary and middle schools. The series has been delivered and designed in such a way that a child can understand the basic concepts of computer and its applications. We have tried to achieve our objective through interactive updated contents and activities presented in a learner friendly manner focusing on the activity-oriented computer education. Salient Features of the Books: @ The entire series is strictly developed in line with the latest pattern and guidelines issued by all major syllabi. @ Simple language, exciting and meaningful illustrations are provided to elucidate the concepts. @ Lesson objective highlights the main topics to be covered in the chapter. @ Warm Up provides activities based on previous knowledge, observation skills and thinking skills. @ Fact.com section presents interesting information to take learning beyond the given text. @ Key Points section is given at the end of each chapter to recapitulate the important points learnt. @ Activity Zone within the chapter develops technical and cognitive skills. @ Modellest Papers help the students revise the knowledge they have gained. The aim of our books is to make students understand the working and applications of computer on their own. Every effort has been made to keep the series worthful, but still the door is open for your valuable suggestions for the improvement of the series. Your suggestions will be gratefully acknowledged and will be given due consideration in the subsequent editions.