When reading a graticule, are an oscilloscope’s V/Div and T/Div settings referring to Major Division values or Minor Division values? What fraction of a Major is 1 Minor Division?

Many everyday occurrences can be represented as a binary bit. for example, a door is open or closed, the stove is on or off, and the fog is asleep or awake. could relationships be represented as a binary value? give example.