What is a Boolean image?

Is it possible to associate a values file with a raster image?

What are the procedures: a) RECLASS,  b) ASSIGN,  c) OVERLAY,  d) GROUP,  e) SCALAR,  f) TRANSFOR,  as used in map analysis?

When the number of attribute value variables is less than the maximum available number of colours in the palette, what is the effect of autoscaling the image?