Logic elements
Answers are for parents and teachers.
1
Find the output of (A ∨ B) ∧ ¬C when A = 1, B = 0, C = 0.
1
2
What must A and B be for the circuit ¬(A ∨ B) to give 1?
Both 0.
3
Which logical operation matches a circuit with two switches in series? Why?
AND: the bulb lights only when both switches are closed.
4
Describe in words the circuit for A ∨ ¬A and state its output.
A goes directly to an OR element, the second input comes from A through a NOT; the output is always 1.