Chapter 23. A Taste of the Internet
The Internet—that vast interconnection of computers around the world that implement various protocols to exchange information—has redefined several aspects of personal computing in recent years. Although dial-up information services and electronic mail systems existed prior to the proliferation of the Internet, they were often restricted to character mode and were essentially unlinked. Each information service, for example, required dialing a different telephone number and logging on with a different user ID and password. Each email system allowed sending and receiving mail only among people who subscribed to that particular system.
Today, dialing one phone number generally connects with the whole of the Internet ...
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