... is made by mixing red, green, and blue, each of whichis measured on a scale of 0 to 255, and a total of 16,777,216 colors isavailable. Often called “millions of colors.” 24 ××7 (or 24/7, ... 1018electrons has a charge of 1 coulomb, so 1 ampere =1 coulomb per second. ampersand the character &, which stands for the word and. For an illus-tration of ampersands in various typefaces, ... alpha (α) a measure of the opacity, or visibility, of an object in a graphicalimage. A transparent object has an alpha of 0 and is invisible; mostobjects have an alpha of 1 and completely cover...