MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which theorem describes the sampling rate with the frequency of the analogue signal? |
| A. | Nyquist theorem |
| B. | Bayes theorem |
| C. | Sampling theorem |
| D. | Parseval's theorem |
| Answer» B. Bayes theorem | |
| 2. |
Which of the following is a current limiting device? |
| A. | voltage |
| B. | current |
| C. | buffer |
| D. | inductor |
| Answer» D. inductor | |
| 3. |
What is the full form of PCM in Analog World? |
| A. | pulse codec machine |
| B. | pulse code modulation |
| C. | peripheral code machine |
| D. | peculiar code modulation |
| Answer» C. peripheral code machine | |
| 4. |
What is the full form of DPCM in Analog World? |
| A. | differential pulse code modulation |
| B. | data pulse code modulation |
| C. | dynamic pulse code machine |
| D. | dynamic pulse code modulation |
| Answer» B. data pulse code modulation | |
| 5. |
Which of the following uses a non-linear quantisation value? |
| A. | PCM |
| B. | DPCM |
| C. | ADPCM |
| D. | linear codec |
| Answer» D. linear codec | |
| 6. |
What is the full form of ADPCM in Analog World? |
| A. | address differential pulse code modulation |
| B. | adaptive differential pulse code modulation |
| C. | address dynamic pulse code machine |
| D. | adaptive dynamic pulse code modulation |
| Answer» C. address dynamic pulse code machine | |
| 7. |
Which of the following can switch the current by a make or break contact? |
| A. | transistor |
| B. | relay |
| C. | buffer |
| D. | fet |
| Answer» C. buffer | |
| 8. |
Which filter is used for filtering out the high frequency components? |
| A. | bandpass filter |
| B. | band reject filter |
| C. | analogue filter |
| D. | digital filter |
| Answer» D. digital filter | |
| 9. |
How many types of logarithmic codecs are used commonly? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 10. |
Which of the following generates a back EMF? |
| A. | relay |
| B. | buffer |
| C. | transistor |
| D. | FET |
| Answer» B. buffer | |