In Boolean algebra, A + B = Y implies that
A. sum of A and B is Y
B. Y exists when A exists or B exists or both A and B exist
C. Y exists only when A and B both exist
D. Y exist when A or B exist but not when both A and B exist
A. sum of A and B is Y
B. Y exists when A exists or B exists or both A and B exist
C. Y exists only when A and B both exist
D. Y exist when A or B exist but not when both A and B exist
Correct Answer – D