|  | 10.6 | Basics of Subnetting
| 10.6.5 | Boolean operations: AND, OR, and NOT

The term "operations" in mathematics refers to rules that define how one number combines with other numbers. Decimal number operations include addition, subtraction, multiplication, and division. There are related, but different, operations for working with binary numbers. The basic Boolean operations are AND, OR, and NOT.

- AND is like multiplication
- OR is like addition
- NOT changes 1 to 0, and 0 to 1

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How Boolean Logic Works