Assembly languages allow the programmer to refer to op codes using a symbolic name, called the ____, rather than by a number.

Internet Explorer's ____ filter also can be used to create gradient effects in which a page object appears to fade away in a linear, radial, or rectangular direction.

A. Opera B. Alpha C. Beta D. WebKit

____ determines the overall lightness or darkness of an entire image.

A. Contrast B. Color C. Style D. Brightness