of or relating to CRTs, printers, or other visual output devices that produce images that are not sharply defined (opposed to high-resolution).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for low-resolution
Contemporary Examples of low-resolution
They are grainy, low-resolution black-and-white pictures, more scruff than science.The USSR’s Race to the Moon’s Far Side
Matthew R. Francis
October 12, 2014