4.3: logic

Question 1

truth tables

Answer 1

• way of summarising and checking the logic of a circuit
• Table shows all possible combinations of inputs and, for each combination, the output that the circuit will produce

Question 2

producing logic statements

Answer 2

When you write programs, you will often have to work out the correct logic statements for a given
situation so that the right code runs. Mistakes in the logic are a frequent cause of bugs.