Sams Teach Yourself Internet and Web Basics All in One

What Is Wireless Internet/Email?

Up to this point, we've covered Internet connections and gone through Web sites and newsgroups and email and so on. All of those possibilities involve your computer communicating with other computers in other parts of the world through the help of your Internet service provider.

Whether it's a dial-up or broadband connection, whether it's at work or at home, all that data we've been sending back and forth has been traveling through wires and cables.

You plug that phone line into your modem, and the data travels through that wire, out to a bunch of different wires. You hook up your Ethernet card to your DSL modem, and the data travels through those (albeit bigger) wires. At work, when you plug into your network, ...