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1. According to Boolean algebra the value of (A + AB) (B + AB ) is
- A. AB
- B. AB
- C. AB
- D. AB
Answer: Option A
Explanation:
The formula A + B + C + D will yield true (1) if at least one of A,B,C,D is 1. The formula A./B.C will be true only if A = 1, B = 0 (so /B = 1) and C = 1. Boolean algebra knows two distributive laws with operations AND and OR.
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