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 9 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

Q81.

Is the same address is assigned for the timer0 and timer1 overflow flag in the interrupt vector table of the interrupts?

true

false

can’t be determined

depends on the situation

Discuss

Answer: (b).false

Q82.

External hardware interrupts are assigned to which pins of the atmega32?

PORTD.2

PORTD.3

All of the mentioned

None of the mentioned

Discuss

Answer: (d).None of the mentioned

Q83.

Which register is responsible for handling all the external hardware interrupts?

TIMSK

GICR

MCUCR

IVCE

Discuss

Answer: (b).GICR

Q84.

By default, INT0-INT2 interrupts are?

edge triggered

level triggered

all of the mentioned

none of the mentioned

Discuss

Answer: (b).level triggered

Q85.

What will happen in that condition, if an interrupt occurs while the micro controller is serving any other interrupt?

both the interrupts will be handled simultaneously

the interrupt which is being done first will be served first

the interrupt that is more priority in the interrupt vector table will be served first

the interrupt having low priority in the interrupt vector table will be served first

Discuss

Answer: (c).the interrupt that is more priority in the interrupt vector table will be served first

Q86.

What actually are the DB9, DB25 ports available in our computers?

they are connectors used to transfer data either serially or parallelly

they are the RS232 connectors used to connect two incompatible devices

they are the TTL logic connector pins used for communication

they are just data transfer pins used to transfer the data

Discuss

Answer: (b).they are the RS232 connectors used to connect two incompatible devices

Q87.

What does RI handshaking signal refer to according to the RS232 logic?

if this logic is high then an receive interrupt is generated

this pin is high during transmission

this pin is high during reception in order to tell that the device is busy at this particular time

none of the mentioned

Discuss

Answer: (c).this pin is high during reception in order to tell that the device is busy at this particular time

Q88.

What is the major difference between a MAX232 and a MAX233 device?

one has one serial port other has two

one has inbuilt UART other doesn’t have that

one needs some additional circuitry to operate while the other doesn’t have that

one is used just for transmission while the other is used for both transmission as well as reception

Discuss

Answer: (c).one needs some additional circuitry to operate while the other doesn’t have that

Q89.

Which of the following is correct about the baud rate during serial transmission?

it tells us about the speed at which the transmission is going to place

it tells us about the number of bits transferred during a second

none of the mentioned

all of the mentioned

Discuss

Answer: (d).all of the mentioned

Q90.

With fosc= 8 MHz, what will the count that has to filled in the UBRR register to account for the 9600 baud rate?

67H

CEH

33H

34H

Discuss

Answer: (c).33H

Page 9 of 36

Welcome to the Microcontroller MCQs Page

Microcontroller MCQs | Page 9 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

Suggested Topics

Digital Image Processing (DIP)

Embedded Systems

Cloud Computing

Web Technologies

CompTIA PenTest+ Certification Exam PT0 002

PHP

MATLAB

Systems Analysis and Design Methods

MS Office