Que: 11. Why do we connect a capacitor between the Vref and the Gnd pin?
|
| a. to remove the leakage |
| b. to ensure more current at that place |
| c. to make more Vref |
| d. to make Vref stable and also to increase the precision of the ADC |
(d). to make Vref stable and also to increase the precision of the ADC
Que: 12. Which of the following are the registers that are used for controlling the ADC conversion in the AVR?
|
| a. ADCSRA |
| b. ADMUX |
| c. SPIOR |
| d. All of the mentioned |
(d). All of the mentioned
Que: 13. What is the internal Vref of an Atmega32 series?
|
| a. 5V |
| b. 3.3V |
| c. 2.56V |
| d. all of the mentioned |
Que: 14. The output of a DAC0808 is in form of
|
| a. electrical pulse |
| b. current |
| c. voltage |
| d. all of the mentioned |
Que: 15. In a DAC the input is ______ and the output is ______
|
| a. analog, digital |
| b. current, voltage |
| c. digital, analog |
| d. analog, current |
Que: 16. A micro controller at-least should consist of:
|
| a. RAM, ROM, I/O devices, serial and parallel ports and timers |
| b. CPU, RAM, I/O devices, serial and parallel ports and timers |
| c. CPU,RAM, ROM, I/O devices, serial and parallel ports and timers |
| d. CPU, ROM, I/O devices and timers |
(c). CPU,RAM, ROM, I/O devices, serial and parallel ports and timers
Que: 17. How many types of architectures are available, for designing a device that is able to work on its own?
|
| a. 3 |
| b. 2 |
| c. 1 |
| d. 4 |
Que: 18. Which architecture is followed by general purpose microprocessors?
|
| a. Harvard architecture |
| b. Von Neumann architecture |
| c. None of the mentioned |
| d. All of the mentioned |
(b). Von Neumann architecture
Que: 19. Which architecture involves both the volatile and the non volatile memory?
|
| a. Harvard architecture |
| b. Von Neumann architecture |
| c. None of the mentioned |
| d. All of the mentioned |
(a). Harvard architecture
Que: 20. Which architecture provides separate buses for program and data memory?
|
| a. Harvard architecture |
| b. Von Neumann architecture |
| c. None of the mentioned |
| d. All of the mentioned |
(a). Harvard architecture