Question 6
Observation
The expected answers were;
(a)Combinational logic circuit for the Boolean expression.
A NOR can be used in place of OR plus NOT gate.
(b) Truth Table for an Ex-OR logic gate.
A |
B |
F |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
(c)Circuit symbol of the EX – OR logic gate
Majority of the candidates that attempted this question responded well to it. However, a few candidates could not give the correct truth table for the Ex-OR gate as well as give the correct symbol for the gate.