Understanding the Net (Easy Version)
No doubt you've heard of a computer network, a group of computers that are wired together so that they can communicate with one another. When computers are hooked together in a network, users of those computers can send each other messages and share computer files and programs.
Computer networks today can be as small as two PCs hooked together in an office. They can be as big as thousands of computers of all different types spread all over the world and connected to one another not just by wires, but through telephone lines and even through the air via satellite.
To build a really big network, you build lots of little networks and then hook the networks to each other, creating an internetwork. That's all the ...
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