I guess it is because to program on the computer is to drawing blueprints to a generic circuit system. There are fixed-program computers like calculators (whic

I guess it is because to program on the computer is to drawing blueprints to a generic circuit system. There are fixed-program computers like calculators (which are static combinations of circuits) and non-fixed-program computers which we simply call them computers. Similar to a well-designed assembly language, a direct manipulation on circuit systems is also as fun as programming.