MCQOPTIONS
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MCQOPTIONS
This section includes 18 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 of the following uses a non-linear quantisation value? |
| A. | PCM |
| B. | DPCM |
| C. | ADPCM |
| D. | linear codec |
| Answer» D. linear codec | |
| 2. |
What does ADPCM stand for? |
| 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 | |
| 3. |
How many types of logarithmic codecs are used commonly? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 4. |
What does DPCM stand for? |
| 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. |
What does PCM stand for? |
| A. | pulse codec machine |
| B. | pulse code modulation |
| C. | peripheral code machine |
| D. | peculiar code modulation |
| Answer» C. peripheral code machine | |
| 6. |
HOW_MANY_TYPES_OF_LOGARITHMIC_CODECS_ARE_USED_COMMONLY??$ |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 7. |
Which of the following uses a non-linear quantisation value?$ |
| A. | PCM |
| B. | DPCM |
| C. | ADPCM |
| D. | linear codec |
| Answer» D. linear codec | |
| 8. |
Which device can make the PWM operation easier? |
| A. | timer |
| B. | software |
| C. | hardware |
| D. | transistor |
| Answer» B. software | |
| 9. |
Which of the following works by increasing the dynamic range? |
| A. | logarithmic codec |
| B. | linear codec |
| C. | DPCM |
| D. | PCM |
| Answer» D. PCM | |
| 10. |
Which of the following have a 16-bit digital dynamic range? |
| A. | PCM |
| B. | DPCM |
| C. | linear codec |
| D. | logarithmic codec |
| Answer» C. linear codec | |
| 11. |
What is the full form of DPCM in Codecs? |
| 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 | |
| 12. |
Which of the following conversion is performed by using a lookup table? |
| A. | DPCM |
| B. | ADPCM |
| C. | Between DPCM and ADPCM |
| D. | Linear cdec and a-law |
| Answer» E. | |
| 13. |
What is the full form of PCM in Codecs? |
| A. | pulse codec machine |
| B. | pulse code modulation |
| C. | peripheral code machine |
| D. | peculiar code modulation |
| Answer» C. peripheral code machine | |
| 14. |
Which codec is used in the UK? |
| A. | a-law |
| B. | µ-law |
| C. | linear codec |
| D. | PCM |
| Answer» B. ¬¨¬®¬¨¬µ-law | |
| 15. |
Which is used in the telecommunication applications which has a limited bandwidth of 300 to 3100 HZ? |
| A. | linear codec |
| B. | logarithmic codec |
| C. | PCM |
| D. | DPCM |
| Answer» C. PCM | |
| 16. |
Which of the following have the same quantisation step throughout the range? |
| A. | linear |
| B. | PCM |
| C. | DPCM |
| D. | ADPCM |
| Answer» B. PCM | |
| 17. |
Which codec is used in digital audio? |
| A. | A-law |
| B. | µ-law |
| C. | linear |
| D. | PCM |
| Answer» D. PCM | |
| 18. |
From which of the following words does codecs is derived? |
| A. | coder |
| B. | decoder |
| C. | coder-decoder |
| D. | coder-encoder |
| Answer» D. coder-encoder | |