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 23 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

Q221.

_BIC_SR_IRQ() is used to

set the particular bits of the SR

reset the particular bits of the SR

any of the above mentioned depending on the conditions

none of the mentioned

Discuss

Answer: (b).reset the particular bits of the SR

Q222.

The only clock that runs in the LPM3 is the

MCLK

ACLK

CLK

None of the mentioned

Discuss

Answer: (b).ACLK

Q223.

Which of the following functions is not related to port P1?

P1SEL

P1DIR

P1IES

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Q224.

A pull-up or pull-down resistor

removes the full output drive on the output pin

gives only a feeble current through the pull-up to resistor

both of the mentioned

none of the mentioned

Discuss

Answer: (c).both of the mentioned

Q225.

P1.3 is the

input CCI1A to Timer_A

is connected to the voltage reference VREF of SD16_A

is output TA0 from Timer_A

are digital inputs with pull-up resistors

Discuss

Answer: (b).is connected to the voltage reference VREF of SD16_A

Q226.

What actually is SD16_A?

it is an interrupt

it is a timer

it is an analog to Digital Converter

it is a serial communication module

Discuss

Answer: (c).it is an analog to Digital Converter

Q227.

P1IE and P1IES are registers that are used to

control the Port1 digital i/o ports

control the Port1 interrupts

control the Port1 serial communication interfaces

all of the mentioned

Discuss

Answer: (b).control the Port1 interrupts

Q228.

Unused pins must never be left unconnected in their default state as inputs.

true

false

can't be said

depends on the conditions

Discuss

Answer: (a).true

Q229.

Which of the following is an effect of a Schmidt trigger?

it turns slowly varying inputs, which might cause problems while they pass slowly through the undefined range of input voltages, into abrupt, clean logical transitions

It eliminates the effect of noise on the input, provided that it is not large enough to span the gap between the upward and downward thresholds

none of the mentioned

all of the mentioned

Discuss

Answer: (d).all of the mentioned

Q230.

To ensure that a negative fluctuation does not trigger an unwanted downward transition by pulling the input down through VIT−, we must choose

minimum hysteresis

maximum hysteresis

all of the mentioned

none of the mentioned

Discuss

Answer: (a).minimum hysteresis

Page 23 of 36

Welcome to the Microcontroller MCQs Page

Microcontroller MCQs | Page 23 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

CSS

Computer Hardware

HTML

SQL Server

Systems Analysis and Design Methods

Neural Networks

JavaScript

CompTIA PenTest+ Certification Exam PT0 002

Object Oriented Programming Using C++