How the Internet Works: Eight Edition


Simple, clear explanations walk you through every technology

Detailed explanations walk you through the technology.

The Internet has changed the world... and, with everything from blogs to podcasts, Internet phones to video, it’s still changing the world. Now, it’s easy to understand how it all works! This book’s big, brilliant, full-color illustrations and clear explanations...

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Simple, clear explanations walk you through every technology

Detailed explanations walk you through the technology.

The Internet has changed the world... and, with everything from blogs to podcasts, Internet phones to video, it’s still changing the world. Now, it’s easy to understand how it all works! This book’s big, brilliant, full-color illustrations and clear explanations make it all incredibly simple!


This new edition has been completely updated for today’s hottest Internet technologies, Web connections, hardware, communications and entertainment services, and much more!

• See how the Internet can deliver any kind of information, anywhere: web pages, email, music, video, phone calls, and more!

• Understand the most exciting new Internet technologies, from blogs and podcasting to wikis and BitTorrent

• Discover how your connection to the Internet works... wireless, cable modem, DSL, even cellphones

• Go behind the scenes with today’s most sophisticated websites, applications, and services

• Protect yourself from the latest Internet dangers, including phishing, web surveillance, and wireless hacking

Preston Gralla is the award-winning author of more than 30 books, including How the Internet Works, Complete Idiot’s Guide to Internet Privacy and Security, Complete Idiot’s Guide to Protecting Your Child Online, and How Wireless Works. He has written

frequently about security issues, computer technology, the Internet, and has been a columnist for many magazines, websites

and newspapers.

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Product Details

  • ISBN-13: 9780789736260
  • Publisher: Que
  • Publication date: 12/5/2006
  • Series: How It Works Series
  • Edition description: Revised Edition
  • Edition number: 8
  • Pages: 432
  • Sales rank: 394,975
  • Product dimensions: 8.00 (w) x 9.94 (h) x 0.80 (d)

Meet the Author

Preston Gralla is the award-winning author of 20 books, including

How Wireless Works, How To Expand and Upgrade PCs, and The

Complete Idiot’s Guide to Protecting Yourself Online. He is an executive

editor and columnist for CNet and ZDNet; is a technology columnist

for the Dallas Morning News; and has written about technology

for many magazines and newspapers, including USA Today, PC

Magazine, the Los Angeles Times, Boston Magazine, PC/Computing,

Computerworld, and FamilyPC among many others. Gralla has won

several writing and editing awards, including one from the

Computer Press Association for the best feature article in a computer


As a well-known expert on computers and the Internet, he has appeared

frequently on numerous TV and radio shows and networks,

including the CBS Early Show, CNN, National Public Radio’s All

Things Considered, MSNBC, CNBC, TechTV, and CNet Radio.

He was the founding managing editor of the well-known newspaper

PC Week and a founding editor of PC/Computing. Under his editorship,

PC/Computing was a finalist for General Excellence from the

National Magazine Awards.

Gralla lives in Cambridge, Massachusetts, with his wife Lydia, children

Gabriel and Mia, and a rabbit named Polichinelle. He also

writes the free Gralla’s Internet Insider email newsletter. To subscribe

to it for free, send an email to with the

words SUBSCRIBE NETINSIDER on the subject line.

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Table of Contents


Part 1: Understanding the Internet’s Underlying Architecture

Chapter 1 What Is the Internet?

Chapter 2 How Computer Networks Send Data
Across the Internet

Chapter 3 How TCP/IP Works

Chapter 4 Understanding the Internet’s Software Structure

Chapter 5 How Internet Addresses and Domains Work

Chapter 6 How Routers Work

Part 2: Connecting to the Internet

Chapter 7 How Computers Connect to the Internet

Chapter 8
How Internet/Television Connections Work

Chapter 9
How Wireless Connections and WiFI Work

Chapter 10
How Home Networks Work

Part 3: Communicating on the Internet

Chapter 11 How Email Works

Chapter 12 How Email Spam Works

Chapter 13 How Newsgroups Work

Chapter 14 How Internet Chat and Instant Messaging Work

Chapter 15 How Skype and VoIP Work

Chapter 16 How Blogging and RSS Work

Part 4: How the World Wide Web Works

Chapter 17 How Web Pages Work

Chapter 18 How Web Browsers Work

Chapter 19 How Markup Languages Work

Chapter 20 How Hypertext Works

Chapter 21 How URLs Work

Chapter 22 How Image Maps and Interactive Forms Work

Chapter 23 How Web Host Servers Work

Chapter 24 How Websites Work with Databases

Chapter 25 How .NET and Web Services Work

Chapter 26 How Grid Computing Works

Part 5: Using the World Wide Web

Chapter 27 How Internet Searching Works

Chapter 28 How Google Works

Chapter 29 How Map Sites Work

Chapter 30 How Wikis and Wikipedia Work

Part 6: Using Common Internet Tools

Chapter 31 How Telnet Works

Chapter 32 How FTP Works

Chapter 33 How Agents Work

Chapter 34 How Java, ActiveX, and JavaScript Work

Chapter 35 How CGI Scripting Works

Part 7: Enjoying Entertainment and Multimedia on the Internet

Chapter 36 How Music and Audio Work on the Internet

Chapter 37 How iPods, iTunes, and Podcasting Work

Chapter 38 How Music Sharing and File Sharing Work

Chapter 39 How Multicast IP and the MBone Work

Chapter 40 How Virtual Reality Is Created by VRML

Chapter 41 How Animation on the Web Works

Part 8: Shopping and Doing Business on the Internet

Chapter 42 How Intranets Work

Chapter 43 Shopping on the Internet

Part 9: Protecting Yourself on the Internet

Chapter 44 How Firewalls Wor

Chapter 45 How Hackers Can Cripple the Internet and Attack Your PC

Chapter 46 The Dangers of Wireless Networking

Chapter 47 How Viruses Work

Chapter 48 How Internet Sites Can Invade Your Privacy

Chapter 49 The Dangers of Spyware and Phishing

Chapter 50 Cryptography, Privacy, and Digital Certificates

Chapter 51 How Government and Workplace Surveillance Work

Chapter 52 Parental Controls on the Internet


0789736268, TOC, 10/10/06

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  • Posted January 26, 2009

    more from this reviewer

    I Also Recommend:

    How The Internet Works(8th Edition): useful and easy-to-understand

    How The Internet Works(8th Edition): useful and easy-to-understand<BR/>Dongxue Ma<BR/><BR/><BR/>How the Internet Works is one of a series called the How It Works Series. From the name you can easily see the content of this book. The author Preston Gralla, begin with the basic content of the Internet like ¿What is the Internet¿ and goes on to the complex content like ¿How Parental Controls Work,¿ covering topics such as Internet's underlying architecture, how to use the Internet and some security issues.<BR/><BR/>CHAPTER CONTENT<BR/>This book has 52 chapters which are divided into 9 parts. Part 1 explains the Internet 's underlying architecture, Part 2 teaches the Internet connections, Part 3 shows Internet communication works, Part4 describes how the world wide web works, Part 5 to Part8 introduces how Internet applications work, basic content from the world wide web to complex content Internet shopping. And the last part <BR/>tells how to protect ourself on the Internet.<BR/><BR/>USEFUL AND EASY-TO-UNDERSTAND<BR/>How the Internet Works can serve the users from beginning levels to intermediate. Even readers have no much knowledge of the Internet, after reading this book will understand the Internet very well. If readers are familiar with the Internet, can also find something they did not know before, and understand the Internet better. The Introduction shows the whole view of this book, and helps readers locate the parts in the book that they need the most. In Each part, there are several chapters related to the title of the part. Each chapter is written in very easy-to-understand words. First it introduces the components which will be explained later, next it describes the components and how they work with the support of colorful illustrations, so readers can easily understand the contents. Since that people can easily understand visible things and most of the Internet is invisible, these pictures are very useful to aid understanding. In the glossary, many difficult technical terms are listed. This part helps reading component technical terminology quickly and effectively.<BR/><BR/>This book is worth the picture of $29.99 in the USA with its high paper quality and color illustration. If you are interested at the Internet, this book is the best.

    1 out of 1 people found this review helpful.

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