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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 5 of 36

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Q41.
In the JMP instruction how many bits are their for determining the target address?

a.

16

b.

32

c.

22

d.

10

Discuss
Answer: (c).22
Q42.
Which of the following statements is/are correct?

a.

relative address of RJMP instruction varies from 000-fffH

b.

target address of JMP instruction varies from 000000-3fffffH

c.

IJMP instruction jumps to that address that points to by the Z register

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q43.
Which of the following is used to represent the last RAM address?

a.

MEM

b.

LASTRAM

c.

RAMEND

d.

None of the mentioned

Discuss
Answer: (c).RAMEND
Q44.
Which of the following statements are correct about the RCALL instruction?

a.

it is a 2 byte instruction

b.

it is a 4 byte instruction

c.

it is a 16 byte instruction

d.

none of the mentioned

Discuss
Answer: (a).it is a 2 byte instruction
Q45.
On power on SP points to the address?

a.

ffffH

b.

fffH

c.

00h

d.

all of the mentioned

Discuss
Answer: (c).00h
Q46.
Which of the following statements is true?

a.

CALL instruction is used to transfer control anywhere in the 4M memory space

b.

PUSH instruction is used to take out the value from the stack into some register

c.

POP instruction is used to jump to any location

d.

RCALL is a 4 byte instruction

Discuss
Answer: (a).CALL instruction is used to transfer control anywhere in the 4M memory space
Q47.
In AVR, which registers are there for the I/O programming of ports?

a.

PORT

b.

PIN

c.

DDR

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q48.
The data will not go from the port registers to the pin unless:

a.

DDR register of that port is set to 0

b.

PORT register of that port is set to 1

c.

DDR register of that port is set to 1

d.

PORT register of that port is set to 0

Discuss
Answer: (c).DDR register of that port is set to 1
Q49.
On reset DDR registers of all ports are set to:

a.

0

b.

1

c.

None of the mentioned

d.

Both of the mentioned

Discuss
Answer: (a).0
Q50.
All series of AVR has 8 pins in all of their ports?

a.

true

b.

false

c.

none of the mentioned

d.

can’t be determined

Discuss
Answer: (b).false
Page 5 of 36

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