What determines the step height on the graph?

Question

Theory

Explain according to the diagram, what determines the height of the step on the graph and how can it be changed?

Answer 1

The height of all steps depends on the gain of the second opamp (it changes by changing the resistance in the feedback), the height of each individual step depends on the resistances connected to the counter.

Answer 2

It seems like summer, but there are more and more questions from some laboratories ...