Beyond pixel graphics, this was also used for printing photographs, as the overall darkness of a particular character space dependent on how many characters, as well as the choice of character, were printed in a particular place.
This developed into sophisticated graphics in some cases, such as the system circa 1973 , where superscript and subscript allowed a wide variety of graphic effects.
Beyond pixel graphics, this was also used for printing photographs, as the overall darkness of a particular character space dependent on how many characters, as well as the choice of character, were printed in a particular place.