This book is written for Engineering, M.Tech., M.C.A., M.Sc. (Computer Science), B.C.A., B.I.T., B.Sc., P.G.D.C.A. and other diploma course students. PART A of the book presents Fundamentals of Computer and IT in a simple and easy to understand style. The subject matter thoroughly clears the doubts (if any) of both a novice or an experienced computer user. PART B of this book covers Basics of Programming Using C++. It presents all the C++ programming topics from elementary to basics of file handling with properly tested programming examples.