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Welcome to the Microcontroller MCQs Page

Dive deep into the fascinating world of Microcontroller with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Microcontroller, a crucial aspect of Computer Architecture. In this section, you will encounter a diverse range of MCQs that cover various aspects of Microcontroller, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Computer Architecture.

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Check out the MCQs below to embark on an enriching journey through Microcontroller. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Computer Architecture.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Microcontroller. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Microcontroller MCQs | Page 2 of 36

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Q11.
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

Discuss
Answer: (d).to make Vref stable and also to increase the precision of the ADC
Q12.
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

Discuss
Answer: (d).All of the mentioned
Q13.
What is the internal Vref of an Atmega32 series?

a.

5V

b.

3.3V

c.

2.56V

d.

all of the mentioned

Discuss
Answer: (c).2.56V
Q14.
The output of a DAC0808 is in form of

a.

electrical pulse

b.

current

c.

voltage

d.

all of the mentioned

Discuss
Answer: (b).current
Q15.
In a DAC the input is ______ and the output is ______

a.

analog, digital

b.

current, voltage

c.

digital, analog

d.

analog, current

Discuss
Answer: (c).digital, analog
Q16.
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

Discuss
Answer: (c).CPU,RAM, ROM, I/O devices, serial and parallel ports and timers
Q17.
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

Discuss
Answer: (b).2
Q18.
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

Discuss
Answer: (b).Von Neumann architecture
Q19.
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

Discuss
Answer: (a).Harvard architecture
Q20.
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

Discuss
Answer: (a).Harvard architecture
Page 2 of 36

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