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                          Orange Education                                   PREFACE

                    (An Imprint of Orange House Pvt Ltd)
                      9, Daryaganj, New Delhi-110002        Knowledge of computer is one of the most valuable asset in the
                  Phone: 011-43776600     +918588814859     modern times. Most of the times people talk about Open Source,
                      Email: info@orangeeducation.in        Linux, and  free software.  With this  series, children will learn  to
                     Website: www.orangeeducation.in        use  these software  fluently. This series  provides content  that
                           IE Code: 0511063121              will be challenging and interactive to the students, making them
                                                            well-equipped to take over the world of tomorrow.
                               Branches:                    Computer is a hands-on subject and too much of bookish
                          • Chennai • Guwahati              knowledge can take away the pleasure of learning. The book has
                                                            been designed keeping in mind to produce the content that is not
                        Regional Marketing Offices:         only appealing but also challenging to the students.
                     • Ahmedabad • Bengaluru • Bhopal
                   • Bhubaneswar • Dehradun • Hyderabad     Touchpad PLUS (Version 3.2) series based on  Ubuntu 24 and
                    • Jaipur • Jalandhar • Kochi • Kolkata   LibreOffice 24 is designed carefully keeping in mind the overall
                    • Lucknow • Mumbai • Patna • Raipur     growth of the child. The topics in the book have been hand picked
                                • Ranchi                    after an extensive research by a team of experts of the subject
                                                            based on utility, interest, skill, basic and trending applications in
                      International Marketing Offices:      the global market. We have designed the lessons in such a way
                            • Dubai • London                that they can be well-integrated with other subjects. Step-by-step
                                                            approach will make it simple and easy for our students to grasp
                              © Publishers                  the concepts. Relevance of the topics was of prime importance
                    No part of this publication may be reproduced,
                    distributed, or transmitted in any form or by any   throughout the compilation of the book.
                         means, including photocopying,     When our children learn to operate computer systems, they will
                     recording, or other electronic or mechanical
                   methods, without the prior written permission of   definitely be exposed to a lot of cyber threats so knowledge of
                               the publisher.               cyber security becomes imperative. The books contain updated
                               Disclaimer                   topics like 3D Printing and Artificial Intelligence that will definitely
                   All product names, brand names and product logos   give our students an edge above others and hence make
                   mentioned or shown in this book are trademarks,   programming ideas more innovative and creative.
                            registered trademarks,
                    or trade names of their respective owners. The   Learning  is  done best when it’s fun-filled  and  activity based.
                  reproduction of these product names, brand names,   To  ensure that the content intrigues the students  at all  times
                        and product logos and all instances
                  of references of proprietary software in this book, are   and  keeps them interested throughout  the course of  the book,
                         for educational purposes only.     we have included  interesting key features like  Student Corner,
                   Although every safety measure has been taken to   Tech  Funda,  Clickipedia,  Comp Caution,  Restart, Checkpoint,
                   verify the precision of the information contained   Mind Boggler, Hands-On, Lab Session, Teacher’s Note, Periodic
                        herein, the author(s) and publisher
                   assume no responsibility for any error or omission.   Assessment, Test Sheet, Project Work, Speech Drill and Glossary.
                   No liability is assumed for damages that may result   Sample questions of  Orange Global Olympiad (Cyber) have
                    from the use of information contained within.
                                                            been included to promote awareness about the national level
                          School Fee Protection*            competition.
                    School fee protection is an initiative by Orange
                  Education to protect student’s fee in case of demise   These features will ensure better learning, assessment, evaluation
                  of the earning parent. Orange Education will bear the   and enable children to take their knowledge beyond the classroom.
                   tuition fee of beneficiary as long as school remains
                   subscribed to our books. All claims are subject to   We hope that the book contributes to the progressive development
                    terms & conditions available on the website of   of computer aided education system and prepares our students
                             Orange Education.              for all upcoming challenges. We want the children to learn the
                   As per the guidelines given by FEPI (Federation of
                         Educational Publishers in India)   concepts with not only the purpose of gaining knowledge but also
                   “When labeled as an ‘Evaluation Copy’, this book   to be able to find its applications. This will enable them to enrich
                   denotes that it has been given to schools at no cost   the quality of their lives as well as others.
                   and is not for commercial sale. Therefore, it may be
                   reclaimed if not part of the designated curriculum,                                      —Publisher
                  ensuring the prudent use of resources and preventing
                               national loss.’’
                   Published and Distributed by Orange House Pvt Ltd
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