Chapter 2. The Brains: The Central Processing Unit


I have a theory about the human mind. A brain is a lot like a computer. It will only take so many facts, and then it will go on overload and blow up.

 --Erma Bombeck


Anthropomorphic metaphors that compare computers to the human body have an unfortunate tendency to be stretched beyond the breaking point. However, it is reasonable to compare two of Chapter 1’s subjects—the computer case and the motherboard—to parts of the body. Specifically, the case is like the body’s skin and skeleton because it holds everything, and the motherboard is like the spinal cord because ...

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