Random and Raster Scan display devices

Question

Distinguish between Random and Raster Scan display devices?

Answer 1

i) Raster Scan Display device:

a) The Frame buffer keeps the picture information.
b) Lines might not appear smooth.
c) Able for producing realistic image since of bit plane storage.

ii) Random Scan Display Device:

a) The Display buffer keeps the picture information.
b) Able for producing pictures made up of lines, however not of curves.
c) Lines seem smooth and directions are specified.