To answer this question, you need to understand the concept of color lookup tables (CLUTs).
A CLUT, also known as a palette, is a table that stores a set of predefined colors. Each color in the CLUT is assigned a specific index value, which can be used to reference that color in an image or graphic. By using a CLUT, the number of unique colors in an image can be reduced, which helps to conserve memory and improve rendering performance.
Let's go through each option to understand why it is correct or incorrect:
Option A) None of the choices - This option is incorrect because a CLUT is known by other names.
Option B) Graphic tablet - This option is incorrect because a graphic tablet is a separate input device used for drawing or sketching, and it is not related to CLUTs.
Option C) VGA table - This option is incorrect because VGA stands for Video Graphics Array, which is a type of display standard and it is not directly related to CLUTs.
Option D) Palette - This option is correct. A CLUT is also known as a palette because it stores a set of predefined colors.
Option E) Color index - This option is incorrect because a color index refers to the specific index value assigned to each color in a CLUT, but it is not another name for a CLUT itself.
The correct answer is D) Palette. This option is correct because a CLUT is also known as a palette, as it stores a set of predefined colors.