This book is designed for students in colleges and universities, as well as others in Software industry and public service, who seek to learn the essentials of Computer Science and high-growth Information Technology. No prerequisite knowledge is necessary, although an understanding of basic Computing principles will prove useful. Readers benefit from the books integrated set of concepts, examples and recommended sources for more information. This book is designed to be used as a textbook by students of Computer Science and Information Technology either in a classroom or for self-study. A...

A communication system starts with sorting, processing and storing of information before its transmission. The actual transmission then follows, with further processing and filtering the noise. Then the reception includes processing steps such as decoding, storage and interpretation. Forms of communication include radio telephony and telegraphy, broadcasting, point-to-point and mobile communications, radar and computer communication.All the Concepts have been planned carefully and presented well with suitable illustrations. This book will be a source of inspiration not only for the taught but...

Electronic commerce promises to empower consumers and producers alike with the ability to engage in mutually satisfactory interactions, providing fulfillment in real time over the Internet for the exchange of products, services, or information ("goods"). Fulfillment in real time, offering a complete, self-directing, interactive order processing capability, is the true promise of electronic commerce for business. All the Concepts have been planned carefully and presented well with suitable illustrations. This book will be a source of inspiration not only for the taught but for the teachers too...