A computer can manipulate symbols as if it understands the symbols and is reasoning with them, but in fact it is just following cut-and-paste rules without understanding why. This means that:

The symbols may or may not have meaning, but the machine does not need to know how the symbols are interpreted in order to manipulate the symbols in the right way.

Explanation:

The computer can change the symbols in the case when the computer understand but in actual following the cut-paste rules without having any understanding this is because the symbols might be have meaning or not but if we talk about the machine so actually they dont know how the symbols are interpreted and how it can be used so that it can be change in the accurate way

answer(normalization)

answer; ron will have to compare ( b3: b4); /// good luck