O'Reilly logo

How Computers Work, Ninth Edition by Timothy Edward Downs, Ron White

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 25. How PCs Connect to the Internet

How PCs Connect to the Internet

YOUR PC is a digital device. It accomplishes most of its tasks by turning a series of electronic switches on or off. A binary 0 represents a switch that is turned off; a binary 1 indicates that the switch is on. There is no in-between designation. A graph of digital code would look like this:

How PCs Connect to the Internet

The traditional telephone system is an analog device, designed—at a time when digital electronics was unknown—to transmit the diverse sounds and tones of the human voice. Those sounds are conveyed electronically, in ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required