Page 5 - Computer science 868 Class 12
P. 5

PREFACE





                    These days, the computer has become a necessity. Almost  every task can be performed using a

                    computer.  To  understand  this wonderful  device,  computer  science was  introduced  in the  school
                    curriculum. Nowadays, computer science is not limited to definitions and commands. It has changed
                    how we carry out our everyday tasks.
                    Touchpad Computer Science series is comprehensively designed as per the new ISC syllabus for

                    classes XI and XII.

                    Programming is one of the most important skills that individuals can learn to improve their skillsets
                    and become successful in their lives. This book will help the students to learn programming in an
                    effective and interactive manner. This book contains an ample amount of interactive programs for the
                    students to practice and learn programming. This book will help the students to learn the fundamental
                    concepts of Object-Oriented Programming in Java. The programs are designed to develop the learner’s
                    analytical thinking so that they are able to understand and develop programs on their own.

                    To help the student understand the concept of programming, the codes are written clearly and neatly
                    with line numbers and proper indents. These programs have been executed in the BlueJ Development
                    Environment. All the codes are accompanied by their outputs. These codes are presented as they
                    appear on the BlueJ platform. All the keywords appearing in the code are coloured as they appear on

                    the platform respectively. This book also contains sample question papers to provide the learners with
                    a grasp of what the question paper looks like. The book also contains previous year’s questions from
                    the past decade to cover as many questions and their variations.
                    We hope the book contributes to the progressive development of the computer-aided education

                    system and prepares our learners for all upcoming challenges. We want the learners to learn the
                    concepts not only for the purpose of gaining knowledge but also to be able to find their applications.
                    This will enable them to enrich the quality of their lives as well as of others.

                                                                                                           —Authors
                                                                                                  Satarupa Dasgupta
                                                                                                 St. Xavier’s Institution
                                                                                                      Panihati, Kolkata

                                                                                                          Partha Saha
                                                                                                 St. Xavier’s Institution
                                                                                                      Panihati, Kolkata
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