Identify the following.
- It is an input device that captures data formed by light and dark marks on specific positions of the paper.
- It requires a special printed paper that contains boxes or circles for shading.
- It translates the shaded marks into electrical signals based on the presence or absence of shaded marks.
Which of the following statements is INCORRECT with respect to whole numbers?
(a) Whole numbers are closed under addition.
(b) Division of a whole number by 0 is not defined.
(c) Multiplication is not commutative for whole numbers.
(d) All whole numbers are not natural numbers.