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Chapter 1. Welcome to Digital Photography > Meet Digital Photography

1.1. Meet Digital Photography

When you use a film camera, your pictures are"memorized"by billions of silver halide crystals suspended on celluloid. Most digital cameras, on the other hand, store your pictures on a memory card.

It's a special kind of memory: flash memory. Unlike the RAM in your Macintosh, the contents of flash memory survive even when the machine is turned off. You can erase and reuse a digital camera's memory card over and over again—a key to the great economy of digital photography.


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