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Chapter 6. What’s under the Hood? > A Picture is Worth…

A Picture is Worth…

Humans are visual creatures. After all, you’re not smelling the words in this book, are you? Computers, on the other hand, are not visual devices. When a computer processes information, all of that work is taking place as electrons and magnetic bubbles dance across circuitry so minute that you need a microscope to see the circuit paths.

The process of getting all of that information into something you can see takes place on another layer over the Darwin kernel: the graphics layer. Figure 6.3 highlights the relationship between Darwin and the graphics layer.


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