Storing data digitally
Please refer to the following articles:
Typesof data http://en.wikipedia.org/wiki/Data_type
Storing digital images http://en.wikipedia.org/wiki/Digital_image
RGB Colour Model http://en.wikipedia.org/wiki/RGB_color_model also called the additive color model.
The Subtractive color model http://en.wikipedia.org/wiki/Subtractive_color
Metadata
The term metadata refers to "data about data"
Please refer to the following articles:
http://en.wikipedia.org/wiki/Metadata
http://en.wikipedia.org/wiki/Geospatial_metadata
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