Preface
Over the past decades, computers have gotten cheaper and cheaper, so today you can find them not only at your desk, but also in nearly every consumer electronics device, such as smartphones and DVD players. Still, computers aren’t so cheap that you spontaneously buy one when shopping for your groceries. Usually, you carefully plan your next computer purchase, because you have to use it for a couple of years.
Computers like the Raspberry Pi will change the situation completely in the near future. The Raspberry Pi—or Pi, for short—is a full-blown desktop PC that costs only $35. You can connect it directly to the Internet, and it can display high-definition videos. Also, it runs Linux, so you don’t have to pay for an operating system. ...
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