A scanning pattern of parallel lines that form the image projected on a cathode-ray tube of a television set or display screen.
The pattern of illuminated horizontal scanning lines formed on a picture tube when no signal is being received.
The pattern of uniformly spaced horizontal scan lines that cover the display space of a device, such as a computer monitor or television monitor.Within each line are pixels (picture elements) that can be illuminated individually.
A scanning pattern of parallel lines that form the display of an image projected on a cathode-ray tube of a television set or display screen.
Origin of raster
- German from Latin rāstrum rake (from the resemblance of the parallel lines to a rake's path) rēd- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition