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Mathematics
Boolean Algebra
f-alpha.net » Mathematics » Algebra » Boolean Algebra » Let's go... » Experiment 1 - Boolean Variable

Experiment 1 - The Variables of the Boolean Algebra

You can picture the behavior of a Boolean variable as an open or closed switch and register the result Q in a truth table...

Simplified switch model

A Q
0 0
1 1

Truth table.

  • Open switch:  A = 0,
  • Closed switch: A = 1

In electronics, one does not speak of variables and their values, but of Boolean signals or digital signals...

Circuit diagram generation of a Boolean signal.

Circuit generation of a Boolean signal. (Enlarge)

The result Q is indicated by the LED...

  • Q = 0: LED1 is dark.
  • Q = 1: LED1 lights up.

In the next experiments, you perform operations on Boolean variables...

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