Question 9796 – Digital-Logic-Design

(a) Is the 3-variable function f = ∑(0,1,2,4) its self-dual? Justify your answer.
(b) Give a minimal product-of-sum form of the b output of the following excess-3
to BCD converter.

Correct Answer: A

(a)

The function is self dual because
→ There is no mutually exclusive pair.
→ No. of minterms = No. of maxterms
(b)

Write Minimal POS.