To ~et you started in the wonderful new world of the lntemet， we ve included a quick
overview of that famous information satperh ghway. This chapter gives you enough of
tlle Internet s origin history and current status so that you will basicall3~ understand
what s going on out there in cyberspace and we ll do it\" without swamping you with
teehnic~d details.
The end of this chapter lists some Interact sites that can guide you toward learning
even more about the lnternet So， if you enjoy details， after you read this chapter
you ll kaaow how to find out more about the Inten/et from tl{e lntemet itself.
Let s not won3， about details now， we re just out tbr a scenic tour. So， we ll hegin by
det ming an important term the term \"intelnaet\" itself.
~ ]nternet versus The Internet
There are interacts and then dlere is The~( ~ -~l ~~，~ * -~ i ~..i ~ w ~.
Inteniet. A small \"I\" intemet coukl be an)， two
computer networks that are interconnected so
that users on both neb.vorks can share re.. Figure I A basic interact
sources on either network， A network is at least
hvo eomputers connected 1(call)， to each
otherIbut some networks have thousands of computers. An internet is at least two
connected networks- regardless of the size of either one. Here we ve depicted two
connected networks as icons and have labeled them Network A and Network B (see，
Figure 1). This is the simplest internet possible.
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