MCQOPTIONS
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MCQOPTIONS
This section includes 16 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 output of a full subtractor is same as ____________ |
| A. | Half adder |
| B. | Full adder |
| C. | Half subtractor |
| D. | Decoder |
| Answer» C. Half subtractor | |
| 2. |
The full subtractor can be implemented using ___________ |
| A. | Two XOR and an OR gates |
| B. | Two half subtractors and an OR gate |
| C. | Two multiplexers and an AND gate |
| D. | Two comparators and an AND gate |
| Answer» C. Two multiplexers and an AND gate | |
| 3. |
Full subtractor is used to perform subtraction of ___________ |
| A. | 2 bits |
| B. | 3 bits |
| C. | 4 bits |
| D. | 8 bits |
| Answer» C. 4 bits | |
| 4. |
Let A and B is the input of a subtractor then the borrow will be ___________ |
| A. | A AND B’ |
| B. | A’ AND B |
| C. | A OR B |
| D. | A AND B |
| Answer» C. A OR B | |
| 5. |
Let A and B is the input of a subtractor then the output will be ___________ |
| A. | A XOR B |
| B. | A AND B |
| C. | A OR B |
| D. | A EXNOR B |
| Answer» B. A AND B | |
| 6. |
Half subtractor is used to perform subtraction of ___________ |
| A. | 2 bits |
| B. | 3 bits |
| C. | 4 bits |
| D. | 5 bits |
| Answer» B. 3 bits | |
| 7. |
THE_FULL_SUBTRACTOR_CAN_BE_IMPLEMENTED_USING?$ |
| A. | Two XOR and an OR gates |
| B. | Two half subtractors and an OR gate |
| C. | Two multiplexers and an AND gate |
| D. | None of the Mentioned |
| Answer» C. Two multiplexers and an AND gate | |
| 8. |
The output of a full subtractor is same as$ |
| A. | Half adder |
| B. | Full adder |
| C. | Half subtractor |
| D. | None of the Mentioned |
| Answer» C. Half subtractor | |
| 9. |
The_output_of_a_subtractor_is_given_by_(if_A,_B_and_X_are_the_inputs)$ |
| A. | A AND B XOR X |
| B. | A XOR B XOR X |
| C. | A OR B NOR X |
| D. | A NOR B XOR X |
| Answer» C. A OR B NOR X | |
| 10. |
Full subtractor is used to perform subtraction o? |
| A. | 2 bits |
| B. | 3 bits |
| C. | 4 bits |
| D. | 8 bits |
| Answer» C. 4 bits | |
| 11. |
What does minuend and subtrahend denotes in a subtractor? |
| A. | Their corresponding bits of input |
| B. | Its outputs |
| C. | Its inputs |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 12. |
Let A and B is the input of a subtractor then the output will be |
| A. | A XOR B |
| B. | A AND B |
| C. | A OR B |
| D. | A EXNOR B |
| Answer» B. A AND B | |
| 13. |
Let the input of a subtractor is A and B then what the output will be if A = B? |
| A. | 0 |
| B. | 1 |
| C. | A |
| D. | B |
| Answer» B. 1 | |
| 14. |
How many outputs are required for the implementation of a subtractor? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 15. |
For subtracting 1 from 0, we use to take a _______ from neighbouring bits. |
| A. | Carry |
| B. | Borrow |
| C. | Not possible |
| D. | None of the Mentioned |
| Answer» C. Not possible | |
| 16. |
Half subtractor is used to perform subtraction of |
| A. | 2 bits |
| B. | 3 bits |
| C. | 4 bits |
| D. | 5 bits |
| Answer» B. 3 bits | |