Developed by Professionals and Experienced Teachers from top schools across the country, the book has been divided into three sections namely Computers, Logical Reasoning and Achievers section. The concepts have been explained through examples, illustrations, and diagrams. To enhance the problem solving skills of students, Multiple Choice Questions (MCQs) with detailed solutions have been provided at the end of each chapter. A CD containing Study Chart for systematic preparation, Tips & Tricks to crack Cyber Olympiad, Pattern of exam, and links of Previous Years Papers is accompanied with this book. The book is recommended for various school level and competitive exams.