Understanding Data Communications

Overview

This book connects users to the real world by teaching digital communications, the inner workings of data terminals, modems, fiber optics, and satellites.
  • Covers the fundamentals, the functions of data terminals and their components, and the latest network architecture and design techniques
  • Provides information on the advantages and disadvantages of LAN, packet networks, and...
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Overview

This book connects users to the real world by teaching digital communications, the inner workings of data terminals, modems, fiber optics, and satellites.
  • Covers the fundamentals, the functions of data terminals and their components, and the latest network architecture and design techniques
  • Provides information on the advantages and disadvantages of LAN, packet networks, and network design and management
  • Written by a world-renowned expert-Gil Held

An overview of data communications introduces readers to the basics and how they connect to the real world. Includes information on how database services, information utilities, and electronic bulletin boards operate. The book also explores the inner workings of data terminals, transmission channels, asynchronous modems, and interfaces, fiber optics, and satellites.

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Product Details

  • ISBN-13: 9780735700369
  • Publisher: Que
  • Publication date: 5/14/1999
  • Series: Landmark Series
  • Edition description: Older Edition
  • Edition number: 6
  • Pages: 619
  • Product dimensions: 20.98 (w) x 9.13 (h) x 0.61 (d)

Meet the Author

Gilbert Held is an internationally recognized author and lecturer who specializes in the applications of computer and communications technology. He is a frequent lecturer and conducts seminars on topics such as LAN/WAN internetworking, data compression, and PC hardware and software. Held is the author of more than 40 books on computers and communications technology and has won several awards for his technical excellence in writing.

0672322161AB03262002

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Read an Excerpt

Who This Book Is For

This book was written as a comprehensive guide to the evolution and modern development associated with the various facts of the field of data communications. As such, this book can be used as a textbook both by students and professionals. Each chapter includes a quiz to test your knowledge, and the answers to questions are contained at the back of this book.This Book's Approach to Data Communications

The modern society we live in today is a communications-oriented society. Thus, the goal of this book is to assist readers in understanding how this society operates by examining the basic structure of the field of data communications. This book explains how different communications devices operate, describes the different types of transmission facilities used to transport information, and examines such emerging technologies as digital subscriber lines and cable modems that might revolutionize the manner by which we work. For readers who surf the Web with conventional modems, imagine being able to transmit and receive data at a speed several orders of magnitude beyond what we now do. The possibilities for new applications become almost endless. Soon, we will be able to visit museums and join virtual lectures on the style of different artists, and we'll be able to zoom in to see minute details that might previously have required a trip around the world. Soon, we will be able to talk and view our parents, business associates, or pen pals located hundreds or thousands of miles away as if they were in our living rooms or offices, and we will do so not only on our home computer but on our cell phone! So join me in examining the field of datacommunications as we explore its evolution and the technical aspects of equipment and transmission facilities that make the wonderful world of data communications a reality.

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Table of Contents

Preface
1 An Overview of Data Communications 1
2 Terminal Devices 31
3 Messages and Transmission Channels 69
4 Asynchronous Modems and Interfaces 95
5 Synchronous Modems, Digital Transmission, and Service Units 145
6 Multiplexing Techniques 187
7 Fiber-Optic and Satellite Communications 209
8 Protocols and Error Control 239
9 Personal Computer Communications Software 275
10 Alternatives in Local Area Networks 287
11 Architectures and Packet Networks 325
12 Network Design and Management 353
13 ISDN 383
Glossary 395
Bibliography 403
Index 405
Answers to Quizzes 433
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Preface

Who This Book Is For

This book was written as a comprehensive guide to the evolution and modern development associated with the various facts of the field of data communications. As such, this book can be used as a textbook both by students and professionals. Each chapter includes a quiz to test your knowledge, and the answers to questions are contained at the back of this book.

This Book's Approach to Data Communications

The modern society we live in today is a communications-oriented society. Thus, the goal of this book is to assist readers in understanding how this society operates by examining the basic structure of the field of data communications. This book explains how different communications devices operate, describes the different types of transmission facilities used to transport information, and examines such emerging technologies as digital subscriber lines and cable modems that might revolutionize the manner by which we work. For readers who surf the Web with conventional modems, imagine being able to transmit and receive data at a speed several orders of magnitude beyond what we now do. The possibilities for new applications become almost endless. Soon, we will be able to visit museums and join virtual lectures on the style of different artists, and we'll be able to zoom in to see minute details that might previously have required a trip around the world. Soon, we will be able to talk and view our parents, business associates, or pen pals located hundreds or thousands of miles away as if they were in our living rooms or offices, and we will do so not only on our home computer but on our cell phone! So join me in examining the field of datacommunications as we explore its evolution and the technical aspects of equipment and transmission facilities that make the wonderful world of data communications a reality.



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Introduction

Who This Book Is For

This book was written as a comprehensive guide to the evolution and modern development associated with the various facts of the field of data communications. As such, this book can be used as a textbook both by students and professionals. Each chapter includes a quiz to test your knowledge, and the answers to questions are contained at the back of this book.

This Book's Approach to Data Communications

The modern society we live in today is a communications-oriented society. Thus, the goal of this book is to assist readers in understanding how this society operates by examining the basic structure of the field of data communications. This book explains how different communications devices operate, describes the different types of transmission facilities used to transport information, and examines such emerging technologies as digital subscriber lines and cable modems that might revolutionize the manner by which we work. For readers who surf the Web with conventional modems, imagine being able to transmit and receive data at a speed several orders of magnitude beyond what we now do. The possibilities for new applications become almost endless. Soon, we will be able to visit museums and join virtual lectures on the style of different artists, and we'll be able to zoom in to see minute details that might previously have required a trip around the world. Soon, we will be able to talk and view our parents, business associates, or pen pals located hundreds or thousands of miles away as if they were in our living rooms or offices, and we will do so not only on our home computer but on our cell phone! So join me in examining the field of datacommunications as we explore its evolution and the technical aspects of equipment and transmission facilities that make the wonderful world of data communications a reality.



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