PREFACE

The book has been written with a view to explain the basics of Computers, Operating Systems, Networks, MS Office etc. this book is written for undergraduate and graduate students of computer science area.It is also very useful for other students who want to learn computer fundamentals as a hobby.

This book covers the syllabi of BCA, BSc, B com, B.B.A, B.A, B.C.A, B.I.T, P.G.D.C.A.,MSc, B.E.B. Tech (including) various Diploma and Degree Courses) of Punjab University, Punjabi University, Guru Nanak Dev University, Kurukshetra  University, Himachal Pradesh University Punjab Technical University and several other universities.

The authors have a strong belief that the students of various colleges Would find this book very suitable for their needs. They will understand very easily each concept as all the material in This book is simple and precise.

The main features of the book are as under;

 The book is written in simple language so that the students of all streams can understand the concepts easily.

 At the end of each chapter, there is a special section named THINGS TO REMEMBER section which summarizes all the important points of the chapter.

Solved and unsolved questions have been included at the end of each chapter.

Each chapter highlights the useful tips, important points and definitions, which helps students to easily understand the concepts.

It also covers solved question papers of university examination.

Stress has been given to represent all the topics with the help of diagrams and figures. The book is divided in two parts -A and B. - Every Part consists different Units.

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