MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The boolean function A + BC is a reduced form of ____________ |
| A. | AB + BC |
| B. | (A + B)(A + C) |
| C. | A’B + AB’C |
| D. | (A + C)B |
| Answer» C. A’B + AB’C | |
| 2. |
Simplify Y = AB’ + (A’ + B)C. |
| A. | AB’ + C |
| B. | AB + AC |
| C. | A’B + AC’ |
| D. | AB + A |
| Answer» B. AB + AC | |
| 3. |
Complement of the expression A’B + CD’ is _________ |
| A. | (A’ + B)(C’ + D) |
| B. | (A + B’)(C’ + D) |
| C. | (A’ + B)(C’ + D) |
| D. | (A + B’)(C + D’) |
| Answer» C. (A’ + B)(C’ + D) | |
| 4. |
(A + B)(A’ * B’) = ? |
| A. | 1 |
| B. | 0 |
| C. | AB |
| D. | AB’ |
| Answer» C. AB | |
| 5. |
DeMorgan’s theorem states that _________ |
| A. | (AB)’ = A’ + B’ |
| B. | (A + B)’ = A’ * B |
| C. | A’ + B’ = A’B’ |
| D. | (AB)’ = A’ + B |
| Answer» B. (A + B)’ = A’ * B | |
| 6. |
The involution of A is equal to _________ |
| A. | A |
| B. | A’ |
| C. | 1 |
| D. | 0 |
| Answer» B. A’ | |
| 7. |
The expression for Absorption law is given by _________ |
| A. | A + AB = A |
| B. | A + AB = B |
| C. | AB + AA’ = A |
| D. | A + B = B + A |
| Answer» B. A + AB = B | |
| 8. |
SIMPLIFY_Y_=_AB‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•_+_(A‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•_+_B)C?$# |
| A. | AB’ + C |
| B. | AB + AC |
| C. | A’B + AC’ |
| D. | AB + A |
| Answer» B. AB + AC | |
| 9. |
The_boolean_function_A_+_BC_is_a_reduced_form_of$ |
| A. | AB + BC |
| B. | (A + B)(A + C) |
| C. | A’B + AB’C |
| D. | (A + C)B |
| Answer» C. A‚Äö√Ñ√∂‚àö√ë‚àö¬•B + AB‚Äö√Ñ√∂‚àö√ë‚àö¬•C | |
| 10. |
Complement of the expression A’B + CD’ i?# |
| A. | (A’ + B)(C’ + D) |
| B. | (A + B’)(C’ + D) |
| C. | (A’ + B)(C’ + D) |
| D. | (A + B’)(C + D’) |
| Answer» C. (A‚Äö√Ñ√∂‚àö√ë‚àö¬• + B)(C‚Äö√Ñ√∂‚àö√ë‚àö¬• + D) | |
| 11. |
(A + B)(A’ * B’) = ?$ |
| A. | 1 |
| B. | 0 |
| C. | AB |
| D. | AB’ |
| Answer» C. AB | |
| 12. |
DeMorgan’s theorem states that$ |
| A. | (AB)’ = A’ + B’ |
| B. | (A + B)’ = A’ * B |
| C. | A’ + B’ = A’B’ |
| D. | None of the Mentioned |
| Answer» B. (A + B)‚Äö√Ñ√∂‚àö√ë‚àö¬• = A‚Äö√Ñ√∂‚àö√ë‚àö¬• * B | |
| 13. |
A(A + B) = ? |
| A. | AB |
| B. | 1 |
| C. | (1 + AB) |
| D. | A |
| Answer» E. | |
| 14. |
The involution of A is equal to |
| A. | A |
| B. | A’ |
| C. | 1 |
| D. | 0 |
| Answer» B. A‚Äö√Ñ√∂‚àö√ë‚àö¬• | |
| 15. |
According to boolean law: A + 1 = ? |
| A. | 1 |
| B. | A |
| C. | 0 |
| D. | A’ |
| Answer» B. A | |
| 16. |
The expression for Absorption law is given by |
| A. | A+AB = A |
| B. | A+AB = B |
| C. | AB+AA’ = A |
| D. | None of the Mentioned |
| Answer» B. A+AB = B | |
| 17. |
In boolean algebra, the OR operation is performed by which properties? |
| A. | Associative properties |
| B. | Commutative properties |
| C. | Distributive properties |
| D. | All of the Mentioned |
| Answer» E. | |