The alpha channel specifies to opacity of a (). Colors are represented in digital form as a collection of Numbers, each representing the strength or intensity level of a given component of the color. Each of these components is called a channel. In a typical image file, the color channels describe how much red, green, and blue are used to make up the final color. To represent a color through which the background can be seen to some extent, a fourth channel is added to the color: the alpha channel....digital form as a collection of numbers, each representing the strength...