# Boolean Algebra | Logic Simplification MCQs

1. The boolean expression is equivalent to

1. A+B
2. 3. 4. AB

2. The Boolean expression X = (A + B)(C + D) represents

1. two ORs ANDed together
2. two ANDs ORed together
3. A 4-input AND gate
4. a 4-input OR gate

3. Which of the following boolean expressions is ‘NOT TRUE’?

1. A + 1 = A
2. 3. A.A = A
4. 4. The complement form of is

1. 2. A +BC + CD
3. A + BC
4. 5. The simplified form of the boolean expression is

1. A + B
2. 3. 4. 6. If A and B are boolean variables, then what is is

1. B
2. A
3. A + B
4. AB

7. What is the boolean expression A ⊕ B equivalent to?

1. 2. 3. B
4. 8. If x and y are boolean variables, which one of the following is the equivalent of  x ⊕ y ⊕ xy equivalent to?

1. 2. x + y
3. 0
4. 1

9. Which of the following boolean algebra rules is correct?

1. 2. A + AB = A + B
3. 4. A(A+B) = B

10. The simplified logic form of a logic function 1. A + B
2. AB
3. 4. 11. The boolean expression may be simplified as

1. Y = A
2. 3. Y = B
4. 12. The reduced form of the boolean expression is

1. 2. 3. AB
4. 13. Which one of the following statements is not correct?

1. 2. 3. 4. 14. In boolean algebra, if then

1. 2. 3. 4. 15. The expression is equivalent to

1. 2. 3. 4. XY