Ques 31-II-D-13

31. The dual of a Boolean expression is obtained by interchanging
(A) Boolean sums and Boolean products
(B) Boolean sums and Boolean products or interchanging 0's and 1 's
(C) Boolean sums and Boolean products and interchanging 0's & 1's
(D) Interchanging 0's and 1's

ANS-(C)