Unit 1 (DT2) Sem2

Internet of Things

Ex 1.1

PRE-LAB-1.1

Question 1-Which of the following is true?

IoT is a subset of M2M

M2Mis a subset of IoT

IoT is a subset of CPS

CPS is a subset of Web of Things (WoT)

Ans-M2Mis a subset of IoT

Question 2-Which of these statements regarding sensors is True?

Sensors are input devices.

Sensors can be analog as well as digital

Sensors respond to some external stimuli

All of these

Ans-All of these

Question 3-The approximation of the measured property sensed by a digital sensor induces:

Quantization error

Hysteresis error

Aliasing error

All of these

Ans-Quantization error

Question 4-The phenomenon of the output signal slowly changing independent of the measured quantity is called:

Aliasing

Drift

Hysteresis

None of these

Ans-Drift

Question 5- Which of these is NOT related to IoT scalability?

Flexibility within Internet

Large scale deployment

Real time connectivity of billions of devices

Range of each sensor node

Ans-Range of each sensor node

POST LAB 1.1

Question 1-M2M is a term introduced by

IoT service providers

Fog computing service providers

Telecommunication service providers

None of these

Ans-Telecommunication service providers

Question 2-Which one of the following is the main feature of Industry 4.0?

Mass Production

Automation

Intelligent things

None of these

Ans-Intelligent things

Question 3-Which one of the following defines “Interoperability”?

To enabling communication between heterogenous objects

To enabling communication between homogenous objects

To provide information clarity between different objects

None of these

Ans-To enabling communication between heterogenous objects

Question 4-How interconnection and integration of devices, equipment, workforce,
supply chain, work platform helps manufacturing industries?

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It reduces operational cost, optimizes resources and reduces waste

It increases efficiency of the worker

Improved safety at the workplace

All of these

Ans-All of these

Question 5-Which organization coined the term Industrial Internet?

IBM

Microsoft

General Electric

Intel

Ans-General Electric


Ex 1.2

PRE LAB 1.2

Question 1- Which among the following IoT device require an operating system?

Arduino

Raspberry Pi

Node MCU

None of these

Ans-Raspberry Pi

Question 2-Which among the following allows us to identify objects and extract information?

RFID

Sensors

Actuators

IoT nodes

Ans-RFID

Question 3-Which of the following is an issue for the intermittent connectivity in IoT?

Resource Utilization

Desynchronization

Data Loss

All of these

Ans-All of these

Question 4-The IoT nodes in a IoT network can have which of the following address?

Globally Unique Address

Unique Local Address

Link Local Address

All of these

Ans-Unique Local Address

Question 5-A sensor converts a physical event to __ signal.

Mechanical

Hydraulic

Electrical

Pneumatic

Ans- Electrical

POST LAB 1.2

Question 1-A program written with the IDE for Arduino is called___________

IDE Source

Source Code

Dry Code

Sketch

Ans-Sketch

Question 2-Arduino IDE consists of which of the following function?

Build() and loop()

Setup() and build()

Setup() and loop()

Loop() and build() and setup()

Ans-Setup() and loop()

Question 3-Why interoperability is required in Internet of things?

Heterogenous wireless communication protocols

Different programming languages

Different control models

All of the above

Ans-

Question 4-The language used in Arduino cross platform IDE is

Python

C++

Both C and C++

Java

Ans-Both C and C++

Question 5-The function delay (xx) in Arduino programming counts the values of delay in:

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Seconds

Minutes

Milliseconds

Hours

Ans-Milliseconds


Ex 1.3

PRE LAB 1.3

Q1-Some of the basic ready-to-use sample examples available in which of the following menu in an Arduino IDE?

File—- Open—- Examples—- Select any program

File—- New—- Create—- Examples

Examples—- Try—- Choose

Files—- Examples—- Select any program

ANS-Files– Examples—- Select any program

Q2-How many default functions are there in an Arduino Sketch?

1

2

3

None

ANS-2

Q3-Which of the following functions return value 1 or 0?

digital Write()

delay()

loop()

is Digit()

ANS-is Digit()

Q4-Which sensor is RFM3200?

Temperature Sensor

Pressure Sensor

Humidity Sensor

Light Sensor

ANS-Temperature Sensor

Q5-Which of the following is a distance measuring sensor module?

DHT22

HC-SR04

TSL2591

HC-SR505

ANS-HC-SR04

POST LAB 1.3

Q1-A function is a series of programming statements that can be called by name. Which command is
called once when the program starts?

loop()

setup()

(output)

(input)

ANS- setup()

Q2-Application of Tactile sensors is.

Elevator touch-sensitive buttons

Smart mobile phones

Cars

Both a and b

ANS-Both a and b

Q3-LDR sensor is abbreviated as

Light Dependent Resistor

Light determinant Resistor

Luminous Duplicated Resistor

None of the above

ANS-Light Dependent Resistor

Q4-The ratio between the resultant output signal to a measured property of a sensor is called__.

Sensitivity

Resistivity

Conductivity

Both b and c

ANS-Sensitivity

Q5-What is the smallest change which a sensor can detect termed as

Accuracy

Precision

Resolution

Scale

ANS-Resolution