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1. The truth table displays the logical operations on input signals in a table format.

2. Every Boolean expression can be viewed as a truth table.

3. The truth table identifies all possible input combinations and the output for each.

4. It is common to create the table so that the input combinations produce an unsigned binary up-count.

5. Logic gates

   • A logic gate is a series of transistors connected together to give one or more outputs
   • AND gate, the OR gate, and the NOT gate, NOR
   • Logic gates are the building blocks of a digital circuit. Every terminal in a logic gate will always be in one of the two binary states (0) or (1)

6. A truth table is a way of summarising and checking the logic of a circuit.

7. A truth table is a mathematical table used to determine if a compound statement is true or false