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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 23 of 36

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Q221.
_BIC_SR_IRQ() is used to

a.

set the particular bits of the SR

b.

reset the particular bits of the SR

c.

any of the above mentioned depending on the conditions

d.

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

a.

MCLK

b.

ACLK

c.

CLK

d.

None of the mentioned

Discuss
Answer: (b).ACLK
Q223.
Which of the following functions is not related to port P1?

a.

P1SEL

b.

P1DIR

c.

P1IES

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q224.
A pull-up or pull-down resistor

a.

removes the full output drive on the output pin

b.

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

c.

both of the mentioned

d.

none of the mentioned

Discuss
Answer: (c).both of the mentioned
Q225.
P1.3 is the

a.

input CCI1A to Timer_A

b.

is connected to the voltage reference VREF of SD16_A

c.

is output TA0 from Timer_A

d.

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?

a.

it is an interrupt

b.

it is a timer

c.

it is an analog to Digital Converter

d.

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

a.

control the Port1 digital i/o ports

b.

control the Port1 interrupts

c.

control the Port1 serial communication interfaces

d.

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.

a.

true

b.

false

c.

can't be said

d.

depends on the conditions

Discuss
Answer: (a).true
Q229.
Which of the following is an effect of a Schmidt trigger?

a.

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

b.

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

c.

none of the mentioned

d.

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

a.

minimum hysteresis

b.

maximum hysteresis

c.

all of the mentioned

d.

none of the mentioned

Discuss
Answer: (a).minimum hysteresis
Page 23 of 36

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