A Practical Workbook for Computer Science (C++ and SQL) Class 12th New 2014

A Practical Workbook for Computer  Science (C++ and SQL) Class 12th  New 2014
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A Practical Workbook for Computer Science (C++ and SQL) Class 12th New 2014

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Publisher: Laxmi Publications
ISBN: 9789351381297
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PREFACE This practical workbook is intended to be used by Computer Science students of class 12 in CBSE curriculum. This workbook provides the requisite background material as well as numerous computing problems covering all difficulty levels. This book can also be used by students learning the C language. The objectives of this book are 1. Defining clearly the scope of the course. 2. Bringing uniformity in the way the course is conducted across different schools strictly catering to CBSE syllabus. 3. Provide ready reference for students while working in the lab. 4. Slow learners can learn the programs already solved while the fast paced learners can improve their computing skills by trying the practice problems. This book is organized into 5 units. Unit 1 deals with the general OOP concepts. It has 7 programs. The first 3 programs explain the concepts of encapsulation and abstraction using classes and objects. Programs 4 and 5 deal with Polymorphism and the Programs 6 and 7 illustrate inheritance. Unit 2 explains file handling in C . It has 3 programs where the first 2 programs deal with reading and writing to text files. Program 3 explains insertion, deletion, updation, searching of binary files. Unit 3 explains the data structures and their implementation in C . It has 11 programs. The first program explains the dynamic structures. Programs 2 and 3 explain various array searching and sorting techniques. Program 4 explains 2D array operations. Program 5 explains creating and traversing a simple linked list. Programs 6 and 7, explain the stack data structure and implementing it as an array and linked list. Programs 8 and 9 explain Queues in a similar fashion. Program 10 is an application of stack and explains the infix to postfix conversion. Program 11 explains circular queues. Unit 4 deals with databases. A lot of SQL commands with syntax and examples are explained. Unit 5 explains 2 projects which can be used as a sample by students when designing their projects. Project 1 is an automatic quizzing machine which uses files and classes. Project 2 is bookshop simulation software which uses databases and queries it from C . Appendix 1 explains the step-by-step installation of Visual C software. It also explains how to create a simple C application. Appendix 2 explains the step-by-step installation of SQL Server 2008 and creating and executing queries. This book is intended to be simple yet effective for class 12 students who would use this ready reference for better preparation. All programs have been thoroughly tested and screenshots are provided for every program for better understanding. Author
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ACKNOWLEDGEMENTS I dedicate this book to my parents, who have been a constant source of inspiration to me right from my childhood. They have taught me that Whatever happens, happens for a reason and have helped me to accept life in its stride and give my best wherever I am and in whatever I do. Behind every successful woman, needs to be her husband and this book is a proof of that support. I thank my husband, Karthik for the technical review of the book. I got a good critic in him, and thanks to him, the book is in a much better shape now than how it was initially. A special thanks to my sister-in-law, Kanchan for helping me in designing the flowcharts. I would like to thank each of my family members, including my kids, who have been instrumental in encouraging me in writing this book. I thank them from the bottom of my heart for helping me achieve this height. I thank Laxmi publications for having confidence in me and publishing my very first book. They have brought my talent to the outside world. Last but not the least I would like to thank each one of my students who have encouraged me to write this book. They have helped me in continuous learning and researching and hope my journey continues.