Glossary of Technical Terms

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Gamma:
The range of color values a monitor, scanner, or printer can display. Adjusting this value increases or decreases the intensity of the light spectrum. A gamma corrected image simulates the adjusted display value when it is saved.
GIF File Format (Graphic Interchange Format):
A raster graphic format developed by CompuServe toexchange image files across multiple platforms. GIFs are also the preferred file format for web graphics because they have small file sizes.
Gigabyte (GB):
A measure of computer memory or disk space consisting of about one thousand million bytes (a thousand megabytes). The actual value is 1,073,741,824 bytes (1024 megabytes).
Gradient Fill:
An elaboration on a fill color consisting of two colors placed at opposite ends of a closed area of an image element. The area is filled with a continuous blend of color intermediate to the two colors and between the two ends.
Graphic Converter:
A digital imaging software application that enables you to convert images and photos from one file format to another.
Gray Level:
The brightness of a pixel. The value associated with a pixel representing it's lightness from black to white. Usually defined as a value from 0 to 255, with 0 being black and 255 being white.
Gray Scale:
An image composed of different shades of gray.