WAP - Wireless Application Protocol: A protocol for transmitting data between servers and clients (usually small wireless devices like mobile phones).
Megapixel - A measure of resolution that reflects the ability of a digital camera to record detail. The more megapixels a camera has, the more detail its images can contain and the more they can be enlarged without losing clarity. More megapixels aren't always necessary, however. For more information see DCHQ's First Time Buyer's Guide.
COFDM modulation technique. This technical standard has been used in Europe and other places for digital TV. 8VSB is used in the U.S.
Image Noise - Image noise creates specks of the wrong color in a digital image. Image noise usually occurs in low-light conditions when a camera's light sensor registers an incorrect value, for instance recording yellow when it should record black. This error causes small dots to appear in the image. Higher quality cameras should have very little noise, even at high ISO settings.
GPS (Global Positioning System) - Consists of 24 satellites that constantly orbit the earth. GPS reports and records your position and navigational information. GPS technology is free; you just need a GPS receiver. GPS applications include camping, hiking, boating, fishing and driving.
Terrestrial Broadcasting - This is a broadcast signal transmitted "over-the-air" to an antenna.
Widescreen - Widescreen is another term for a letterboxed program. Letterboxed programs generally fill the entire screen on a widescreen TV.
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