A video display that is limited to only black and white, with no other shade of gray, is called?

A video display that is limited to only black and white, with no other shade of gray, is described as bistable. In a bistable system, there are only two states or levels, which in this context refer to the two extreme shades of black and white. This binary nature allows for clear differentiation between the two states but does not accommodate intermediate shades.

In contrast, a monochrome display could refer to any single hue, including shades of gray, while grayscale specifically involves a range of shades from black to white. Therefore, bistable accurately characterizes a display limited to just two colors: black and white.