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Welcome to the IoT Hardware MCQs Page

Dive deep into the fascinating world of IoT Hardware with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of IoT Hardware, a crucial aspect of Internet of Things (IoT). In this section, you will encounter a diverse range of MCQs that cover various aspects of IoT Hardware, 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 Internet of Things (IoT).

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Check out the MCQs below to embark on an enriching journey through IoT Hardware. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Internet of Things (IoT).

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of IoT Hardware. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

IoT Hardware MCQs | Page 5 of 15

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Q41.
Which pin provides a reset option in 8051?

a.

Pin 1

b.

Pin 8

c.

Pin 11

d.

Pin 9

Discuss
Answer: (d).Pin 9
Q42.
External Access is used to permit ____________

a.

Peripherals

b.

Power supply

c.

ALE

d.

Memory interfacing

Discuss
Answer: (d).Memory interfacing
Q43.
What is the address range of SFRs?

a.

80h to feh

b.

00h to ffh

c.

80h to ffh

d.

70h to 80h

Discuss
Answer: (c).80h to ffh
Q44.
How many interrupts are there in micro controller?

a.

3

b.

6

c.

4

d.

5

Discuss
Answer: (d).5
Q45.
Timer 0 is a ________ bit register.

a.

32-bit

b.

8-bit

c.

16-bit

d.

10-bit

Discuss
Answer: (c).16-bit
Q46.
Number of pins in 8051 microcontroller with ________ package.

a.

40 pin with LLC

b.

60 Pin with QFP

c.

40 pin with DIP

d.

60 pin with QFP

Discuss
Answer: (c).40 pin with DIP
Q47.
A 8051 microcontroller need external oscillator to run.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q48.
We use any other frequency source other than crystal oscillator.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q49.
Reset work is __________

a.

To make program counter zero but values in registers values are made as zero

b.

Program counter is not zero but values in registers values are made as
Zero

c.

Program counter not zero but values in registers values remain same

d.

To make program counter zero but values in registers values remain same

Discuss
Answer: (d).To make program counter zero but values in registers values remain same
Q50.
What is the minimum no of cycles required for reset operation?

a.

3 cycle

b.

2 cycles

c.

1 cycles

d.

4 cycles

Discuss
Answer: (c).1 cycles
Page 5 of 15

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