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.

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 7 of 36

Explore more Topics under Computer Architecture

01

Computer Architecture Basics

02

Digital Logic Circuits

03

Digital Components

04

Digital Data Representation

05

Microoperations

06

Basic Computer Organization

07

Pipeline and Vector Processing

08

Computer Arithmetic

09

Input Output Organization

10

Memory Organization

11

Multiprocessors

12

8085 Microprocessor

13

8051 Microcontroller

Q61.

Which of the following is correct about the MUL instruction?

it is a byte-by- byte multiplication instruction

the product is stored in two registers R1 and R0

both of the mentioned

none of the mentioned

Discuss

Answer: (c).both of the mentioned

Q62.

In AVR, when is the V flag set?

their is a carry from D7 bit

their is a carry from D6 to D7 bit

both of the mentioned

any of the mentioned

Discuss

Answer: (d).any of the mentioned

Q63.

To set the bits of a register R1 to 1, we must OR the contents of the register with?

00H

11H

FFH

0FH

Discuss

Answer: (c).FFH

Q64.

CP instruction alters the value of the register?

true

false

none of the mentioned

can’t be said

Discuss

Answer: (b).false

Q65.

What is right about the ROR instruction?

it rotates the contents of the register left to right

it rotates the contents of the register from right to left

it rotates the contents of the register from left to right through carry

it rotates the contents of the register from right to left through carry

Discuss

Answer: (c).it rotates the contents of the register from left to right through carry

Q66.

In AVR, which of the following registers are not used for programming timers?

TCNT

TCON

TIFR

None of the mentioned

Discuss

Answer: (b).TCON

Q67.

What is the use of the prescalar in the operation of the timer?

for fast calculations

for increasing the time delay given by the timer by decreasing its frequency of operation

for removing the concept the reloading of count

for easy counter operations

Discuss

Answer: (b).for increasing the time delay given by the timer by decreasing its frequency of operation

Q68.

What modes are generally used in the operation of the timer0?

Normal mode

CTC mode

PWM mode

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Q69.

Timer 0 can act as a counter

if the CS02-CS00 are 110 or 111

if the FOC0 bit is set to 110

none of the mentioned

all of the mentioned

Discuss

Answer: (a).if the CS02-CS00 are 110 or 111

Q70.

Which of the timer can operate in the 16 bit condition?

timer0

timer1

timer2

all of the mentioned

Discuss

Answer: (b).timer1

Page 7 of 36

Welcome to the Microcontroller MCQs Page

Microcontroller MCQs | Page 7 of 36

Explore more Topics under Computer Architecture

Computer Architecture Basics

Digital Logic Circuits

Digital Components

Digital Data Representation

Microoperations

Basic Computer Organization

Pipeline and Vector Processing

Computer Arithmetic

Input Output Organization

Memory Organization

Multiprocessors

8085 Microprocessor

8051 Microcontroller

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