(a) (i) Draw the logic circuit of a two input AND gate using diodes and resistors (ii) Provide the truth table for the logic gate in (a) (i) .
b) Draw the logic symbol of an exclusive OR gate
The expected answers were:
(a) DRL AND gate
(ii) Truth Table
A
B
F
0
1
b)
The question was on Logic gates. It was quite popular. A significant number of candidates answered the question correctly. The performance was quite encouraging.