Examlex
Find the sum-of-products expansion of the Boolean function f(x, y, z) that is 1 if and only if exactly two of the three variables have value 1.
White
The color produced by the combination of all the colors of the visible spectrum.
Gray
A color between black and white in the color spectrum, often used to denote neutrality or uncertainty.
Grayscale
An image or display type that shows values only in shades of gray, varying from black to white, used for a simpler or more classic appearance.
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