firmware

Camera makers love the incremental update: selling a new model with just enough enhancements that you'll be tempted to trade up. But if you own one of several Canon point-and-shoots, you can get new features, such as shooting in high-quality RAW format, measuring accurate exposures via a live histogram, and even running simple applications like games or a calendar, without having to pay for an upgrade. All you need to do is replace your firmware, the computer code embedded in the camera's memory that serves as its operating system.

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