306 Part 4 The instruction-set processor level: special-function processors
Section 1 Processors to control terminals and secondary Memories
1 Picture
a Display area
b Phosphor type (intensity and color as function of time)
c Spot size
d Resolution
e Linearity
f Short-term and long-term stability
2 Figure plotting (generation) characteristics
a Data types: points, lines (vectors), graphs, characters (from a fixed set), characters (from a defined set), curved-line segments, etc.
b Plotting time
3 Transformation and internal representations
a Space to encode (specify) a figure
b Scale change, rotation, coordinate-system transformation abilities
c Ability to communicate between a displayed data structure and an internal representation of a picture
4 Light-pen or graphic input capability