This book is of immense use for the students of B. Tech (CSE), B. Tech (ECE), B. Tech (IT), M. Tech (CSE) and M. Tech (IT) who involved in this field. This book is divided into five chapters (Computer and its basic concepts; Basics of programming; C++: an object oriented programming; Networking; DBMS and Cloud Computing). All topics are illustrated with clear diagrams. Very simple language is used throughout the text to facilitate easy understanding of concepts.