. . . . . . . . means adding a number to the value stored in the accumulator or counter.

The correct answer is B. Updating.

Updating means adding a number to the value stored in the accumulator or counter.

Initializing means setting the value of a variable to a specific value.

Backtracking is a technique used in problem solving to try different solutions until a correct one is found.

Checking is the process of verifying that a result is correct.