MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 8 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 gates required to build a half adder are __________ |
| A. | EX-OR gate and NOR gate |
| B. | EX-OR gate and OR gate |
| C. | EX-OR gate and AND gate |
| D. | EX-NOR gate and AND gate |
| Answer» D. EX-NOR gate and AND gate | |
| 2. |
Which of the following are known as universal gates? |
| A. | NAND & NOR |
| B. | AND & OR |
| C. | XOR & OR |
| D. | EX-NOR & XOR |
| Answer» B. AND & OR | |
| 3. |
A full adder logic circuit will have __________ |
| A. | Two inputs and one output |
| B. | Three inputs and three outputs |
| C. | Two inputs and two outputs |
| D. | Three inputs and two outputs |
| Answer» E. | |
| 4. |
A universal logic gate is one which can be used to generate any logic function. Which of the following is a universal logic gate? |
| A. | OR |
| B. | AND |
| C. | XOR |
| D. | NAND |
| Answer» E. | |
| 5. |
The NOR gate output will be high if the two inputs are __________ |
| A. | 00 |
| B. | 01 |
| C. | 10 |
| D. | 11 |
| Answer» B. 01 | |
| 6. |
The following switching functions are to be implemented using a decoder: f1 = ∑m(1, 2, 4, 8, 10, 14) f2 = ∑m(2, 5, 9, 11) f3 = ∑m(2, 4, 5, 6, 7) The minimum configuration of decoder will be __________ |
| A. | 2 to 4 line |
| B. | 3 to 8 line |
| C. | 4 to 16 line |
| D. | 5 to 32 line |
| Answer» D. 5 to 32 line | |
| 7. |
The code where all successive numbers differ from their preceding number by single bit is __________ |
| A. | Alphanumeric Code |
| B. | BCD |
| C. | Excess 3 |
| D. | Gray |
| Answer» E. | |
| 8. |
The output of a logic gate is 1 when all the input are at logic 0 as shown below: The gate is either _________ |
| A. | A NAND or an EX-OR |
| B. | An OR or an EX-NOR |
| C. | An AND or an EX-OR |
| D. | A NOR or an EX-NORView Answer |
| Answer» E. | |