Question

31. Principal of dual for the Boolean expression 1+0=X is


a) 0+1=X
b) 1.0=X
c) 1+0=X
d) 0.1=X​

Answer 1

Dual of Boolean Expression:

             "The dual of a Boolean expression is the expression one obtains by interchanging addition and multiplication and interchanging 0's and 1's."

              Applying 2 operations:

• Replacing/interchanging the logical ORs by logical ANDs
• Replacing/interchanging the logical 0s by logical 1s

Given:

   ⇒   1 + 0 = X

Solution:

   ⇒    0 . 1 = X

Answer:

   Option D