MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Instrumentation Transducers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHICH_OF_THE_FOLLOWING_REPRESENTS_NUMBER_OF_OUTPUT_LINES_FOR_DECODER_WITH_4_INPUT_LINES??$ |
| A. | 15 |
| B. | 16 |
| C. | 17 |
| D. | 18 |
| Answer» C. 17 | |
| 2. |
Decoders_and_Encoders_are_doing_reverse_operation.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Decoder is constructed from _______________? |
| A. | Inverters |
| B. | AND gates |
| C. | Inverters and AND gates |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
Invalid BCD can be made to valid BCD by adding with _______________ |
| A. | 0101 |
| B. | 0110 |
| C. | 0111 |
| D. | 1001 |
| Answer» C. 0111 | |
| 5. |
DTMF stands for ________________ |
| A. | Dual Tone Magnetic Frequency |
| B. | Double Tone Magnetic Frequency |
| C. | Dual Tone Multiple Frequency |
| D. | Dual Tone Mechanical Frequency |
| Answer» D. Dual Tone Mechanical Frequency | |
| 6. |
Which of the following is a decoder IC? |
| A. | 7890 |
| B. | 8870 |
| C. | 4047 |
| D. | 4041 |
| Answer» C. 4047 | |
| 7. |
BCD to seven segment conversion is a ________________ |
| A. | Decoding process |
| B. | Encoding process |
| C. | Comparing process |
| D. | None of the mentioned |
| Answer» B. Encoding process | |
| 8. |
Which of the following can be represented for decoder? |
| A. | Sequential circuit |
| B. | Combinational circuit |
| C. | Logical circuit |
| D. | None of the mentioned |
| Answer» C. Logical circuit | |
| 9. |
Which of the following are building blocks of encoders? |
| A. | NOT gate |
| B. | OR gate |
| C. | AND gate |
| D. | NAND gate |
| Answer» C. AND gate | |
| 10. |
A decoder converts n inputs to __________ outputs |
| A. | n |
| B. | n<sup>2</sup> |
| C. | 2<sup>n</sup> |
| D. | n<sup>n</sup> |
| Answer» D. n<sup>n</sup> | |