MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the signal integrate phase, the differential input voltage between IN LO(input low) and IN HI(input high) pins is integrated by the internal integrator for a fixed period of |
| A. | 256 clock cycles |
| B. | 1024 clock cycles |
| C. | 2048 clock cycles |
| D. | 4096 clock cycles |
| Answer» D. 4096 clock cycles | |
| 2. |
Which of the following phase contain feedback loop in it? |
| A. | autozero phase |
| B. | signal integrate phase |
| C. | disintegrate phase |
| D. | none |
| Answer» B. signal integrate phase | |
| 3. |
Which of the following is not one of the phases of the total conversion cycle? |
| A. | autozero phase |
| B. | conversion phase |
| C. | signal integrate phase |
| D. | disintegrate phase |
| Answer» C. signal integrate phase | |
| 4. |
ADC 7109 integrated by Dual slope integration technique is used for |
| A. | low cost option |
| B. | slow practical applications |
| C. | low complexity |
| D. | all of the mentioned |
| Answer» E. | |
| 5. |
The number of inputs that can be connected at a time to an ADC that is integrated with successive approximation is |
| A. | 4 |
| B. | 2 |
| C. | 8 |
| D. | 16 |
| Answer» D. 16 | |
| 6. |
The conversion delay in a successive approximation of an ADC 0808/0809 is |
| A. | 100 milliseconds |
| B. | 100 microseconds |
| C. | 50 milliseconds |
| D. | 50 milliseconds |
| Answer» C. 50 milliseconds | |
| 7. |
Which is the ADC among the following? |
| A. | AD 7523 |
| B. | 74373 |
| C. | 74245 |
| D. | ICL7109 |
| Answer» E. | |
| 8. |
The procedure of algorithm for interfacing ADC contain |
| A. | ensuring stability of analog input |
| B. | issuing start of conversion pulse to ADC |
| C. | reading digital data output of ADC as equivalent digital output |
| D. | all of the mentioned |
| Answer» E. | |
| 9. |
The popular technique that is used in the integration of ADC chips is |
| A. | successive approximation |
| B. | dual slope integration |
| C. | successive approximation and dual slope integration |
| D. | none |
| Answer» D. none | |
| 10. |
The time taken by the ADC from the active edge of SOC(start of conversion) pulse till the active edge of EOC(end of conversion) signal is called |
| A. | edge time |
| B. | conversion time |
| C. | conversion delay |
| D. | time delay |
| Answer» D. time delay | |