Which statement best expresses the duality principle in Boolean algebra?

2026

Answer: A. Every Boolean expression has a paired expression obtained by interchanging every occurrence of AND and OR and swapping every occurrence of 0 and 1.

1. A.

   Every Boolean expression has a paired expression obtained by interchanging every occurrence of AND and OR and swapping every occurrence of 0 and 1.

2. B.

   Any Boolean function can be implemented using only NAND gates.

3. C.

   Every Boolean equation can be converted to its sum-of-products form.

4. D.

   Every Boolean expression can be uniquely written using only AND and NOT operations.

Attempted by 765 students.