Electronics and Communication Engineering - Digital Electronics - Discussion

Discussion Forum : Digital Electronics - Section 1 (Q.No. 46)
46.
AB + AB =
B
A
1
0
Answer: Option
Explanation:

AB + AB = A(B + B) = A . 1 = A.

Discussion:
2 comments Page 1 of 1.

Amani said:   3 years ago
I think the answer is AB only so none of the above.

And moreover B + B = B but not equal 1.

Nikhil said:   2 years ago
Take A as common so that the remaining part is (B+B'=1).
Then multiply A*(B+B').that is A*1 which is equal to A.

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