MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Mechatronics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Light can be considered as a form of digital signal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
We cannot store analog data directly. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The highest voltage value of an analog signal is replaced by “logic 1” in digital signal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which is an example of Digital to Analog converter module? |
| A. | PCF8591 |
| B. | TMS320F2809PZA |
| C. | RD-KL25-AGMP01 |
| D. | DM388AAARD21 |
| Answer» B. TMS320F2809PZA | |
| 5. |
What is the duty cycle of a signal if the ON time of the signal is 0.7 seconds and off time of the signal is 0.3 seconds? |
| A. | 60% |
| B. | 70% |
| C. | 40% |
| D. | 20% |
| Answer» C. 40% | |
| 6. |
What is the duty cycle of a signal if the pulse width is 0.3 seconds and the time period is 0.6 second? |
| A. | 60% |
| B. | 50% |
| C. | 40% |
| D. | 20% |
| Answer» C. 40% | |
| 7. |
What is the duty cycle of a signal if the pulse width is 0.004 seconds and frequency is 50 hertz? |
| A. | 60% |
| B. | 50% |
| C. | 40% |
| D. | 20% |
| Answer» E. | |
| 8. |
Which of the integrated circuit mentioned below is the name of a Digital to Analog converter? |
| A. | BC541 |
| B. | MCP4725 |
| C. | TIP122 |
| D. | TIP135 |
| Answer» C. TIP122 | |
| 9. |
What is the duty cycle of a signal if the ON time of the signal is 0.5 seconds and off time of the signal is 0.5 seconds? |
| A. | 60% |
| B. | 50% |
| C. | 40% |
| D. | 20% |
| Answer» C. 40% | |
| 10. |
What is the duty cycle of a signal if the pulse width is 0.008 seconds and frequency is 50 hertz? |
| A. | 60% |
| B. | 50% |
| C. | 40% |
| D. | 20% |
| Answer» D. 20% | |
| 11. |
What is the duty cycle of a signal if the pulse width is 0.4 seconds and the time period is 0.8 second? |
| A. | 60% |
| B. | 50% |
| C. | 40% |
| D. | 20% |
| Answer» C. 40% | |
| 12. |
What does PWM stand for? |
| A. | Pulse Width modulation |
| B. | Pulsating Width modulation |
| C. | Pulse Width modulator |
| D. | Pulsating Width modulator |
| Answer» B. Pulsating Width modulation | |
| 13. |
What is the output of a music player? |
| A. | Digital |
| B. | Semi-digital |
| C. | Analog |
| D. | Semi-Analog |
| Answer» D. Semi-Analog | |
| 14. |
Which conversion takes place when music is played from a memory card? |
| A. | AAC |
| B. | ADC |
| C. | DDC |
| D. | DAC |
| Answer» E. | |
| 15. |
What is the form in which audio files are stored? |
| A. | Digital |
| B. | Semi-digital |
| C. | Analog |
| D. | Semi-Analog |
| Answer» B. Semi-digital | |