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Venn Diagram and Boolean Algebra - 25 MCQs with Answer Key
1. The union of two sets A and B is represented in Boolean algebra as:
 A) A + B B) AB C) A' + B' D) A - B
2. The intersection of A and B in Boolean algebra is:
 A) A + B B) A B C) AB D) A - B
3. A' (A complement) in Boolean algebra means:
 A) All elements in A B) No elements C) All elements not in A D) A B
4. In Venn diagrams, A B denotes:
 A) Elements in A only B) Common elements of A and B C) Elements in B only D) Elements not in A
5. If A = {1, 2, 3}, B = {3, 4}, then A B = ?
 A) {1, 2, 3} B) {3, 4} C) {1, 2, 3, 4} D) {1, 2}
6. A A' is equal to:
 A) A B) 0 C) 1 D) A'
7. A A' is equal to:
 A) 0 B) A C) 1 D) A B
8. (A B)' is equal to:
 A) A' B' B) A' B' C) A B D) A B
9. (A B)' is equal to:
 A) A' B' B) A' B' C) A B D) A B
10. A + AB = ?
 A) A B) AB C) B D) A + B
11. A + A = ?
 A) A B) 0 C) 1 D) A'
12. A A = ?
 A) A B) 0 C) 1 D) A'
13. A 1 = ?
 A) A B) 0 C) 1 D) A'
14. A 0 = ?
 A) A B) 0 C) 1 D) A'
15. A + 1 = ?
 A) 1 B) A C) 0 D) A'
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