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Chapter 14. What is the World Wide Web? > And what's a modem, anyway?

And what's a modem, anyway?

It's kind of interesting to understand why you have to use a modem to get online. You see, the computer is digital, meaning it can only do things in whole chunks. It can count from 0 to 1; it can understand "on" and "off." It can understand stuff that is counted in whole numbers, like ice cubes.

The phone lines, however, are analog. Analog is flowing, infinite, and can be broken down into smaller and smaller pieces. Water is an analog thing.


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