low-resolution

from WordNet (r) 3.0 (2006)

low-resolution
    adj 1: of computer output devices; producing images that are not
           sharply defined [ant: {high-resolution}]

from The Collaborative International Dictionary of English v.0.48

low-resolution \low-resolution\ adj.
   producing images that are not sharply defined; -- of optical
   instruments or image display devices. Opposite of
   {high-resolution}.
   [WordNet 1.5]