DIGITAL ELECTRONICS subject. ANSWER QUESTION a)

Question 3 (25 Mark) a) Determine the output expression, x for the circuit in Figure 1 and simplify it using the Boolean algebra techniques (7 Mark) K L M N Figure 1 b) Prove that left side of the equality sign can be simplified to the right of the equality sign by using Boolean algebra techniques (10 Mark) c) Use two-input NAND gate to design a two-input exclusive-OR gate. Hint: The logic function of a two-input exclusive-OR gate (A. B+B.A) A. B). (B. A) (8 Mark)