Y exists when both A and B exist but not when only A or B exists
Y exists when A or B exists but not both A and B exist.
A
product of A and B is Y
B
Y exists when A or B exists but not both A and B exist.
C
Y exists when A exists or B exists
D
Y exists when both A and B exist but not when only A or B exists
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Solution
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The correct option is CY exists when both A and B exist but not when only A or B exists In Boolean algebra A.B=Y implies that Y exists when both A and B exist but not when only A or B exists.
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