Raster graphics are made up of pixels.
The pixel (a word
invented from "picture element") is the basic unit of programmable
color on a computer display or in a computer image. Think of it as a logical -
rather than a physical - unit. The physical size of a pixel depends on how you've set the resolution for
the display screen.
The correct answer between all the choices given is the last
choice or letter D. I am hoping that this answer has satisfied your query and
it will be able to help you in your endeavor, and if you would like, feel free
to ask another question.
