Q15,p3,d14. A technique used to approximate halftones without reducing spatial resolution is known as _________.

(A) Halftoning

(B) Dithering

(C) Error diffusion

(D) None of the above

Answer B.

 

Dithering is an attempt by a computer program to approximate a color from a mixture of other colors when the required color is not available. For example, dithering occurs when a color is specified for a Web page that a browser on a particular operating system can't support