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TCP/IP Guide by Charles M. Kozierok

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Boolean Logic and Logical Functions

You'll recall that every bit in a computer system can hold a value of either 1 or 0, representing the basic on or off states inherent in a binary digital system, and that you can interpret these on or off values as true or false states, respectively. These values can represent various logical conditions within a system, and you can use various logical operations to manipulate and combine these values to represent more complex logical states.

British mathematician George Boole (1815–1864) was one of the pioneering users of binary values in logical equations, and in recognition of his contribution we call this boolean logic.

Boolean Logical Functions

Boolean logic defines a number of boolean logical functions, which ...

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