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M4-R5.1 — Building IoT Applications MCQ
25 Questions • M4-R5.1
20:00
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1
Arduino IDE is used to?
A
Design circuits only
B
Write and upload code to Arduino boards
C
Design web pages
D
Create databases
2
Tinkercad is used for?
A
Python programming
B
Online circuit simulation
C
Cloud storage
D
Social media
3
Node-RED is a?
A
Text-based IDE
B
Flow-based visual programming tool for IoT
C
CSS framework
D
Mobile app
4
ThingSpeak is an?
A
Arduino library
B
IoT cloud platform for data analytics
C
Network protocol
D
OS for IoT
5
Blynk is used for?
A
Circuit design
B
Building IoT mobile dashboards
C
Python coding
D
SQL queries
6
void setup() in Arduino runs?
A
Repeatedly
B
Once at startup
C
Every 1 second
D
Only on button press
7
void loop() in Arduino runs?
A
Once only
B
Never
C
Continuously/repeatedly
D
Only when connected to PC
8
NodeMCU (ESP8266) has built-in?
A
Bluetooth only
B
Wi-Fi
C
4G modem
D
GPS
9
digitalWrite(pin, HIGH) sets voltage to?
A
-5V
B
0V
C
5V (or 3.3V)
D
12V
10
delay(1000) in Arduino causes?
A
1 millisecond pause
B
1 second pause
C
10 second pause
D
Infinite pause
11
IoT application architecture has how many layers?
A
2
B
3
C
4 (Perception, Network, Processing, Application)
D
5
12
Perception layer in IoT deals with?
A
Data analytics
B
Physical sensors collecting data
C
Cloud storage
D
User interface
13
ThingSpeak is used for?
A
Word processing
B
IoT cloud platform for data visualization
C
Image editing
D
Email
14
Tinkercad can simulate?
A
3D models and Arduino circuits
B
Only documents
C
Only images
D
Only videos
15
Arduino IDE uses which language?
A
Python
B
C/C++
C
Java
D
JavaScript
16
Smart agriculture IoT monitors?
A
Only weather
B
Soil moisture, temperature, crop health
C
Only irrigation
D
Only pesticides
17
Smart city uses IoT for?
A
Only traffic
B
Traffic, waste management, energy, security
C
Only security
D
Only entertainment
18
Healthcare IoT includes?
A
Only MRI
B
Wearable health monitors, remote patient monitoring
C
Only surgery
D
Only pharmacy
19
Industrial IoT (IIoT) is used in?
A
Only homes
B
Manufacturing, supply chain, factory automation
C
Only schools
D
Only hospitals
20
Cloud computing in IoT stores?
A
Physical items
B
Massive amounts of IoT data for processing
C
Only images
D
Only text
21
Dashboard in IoT displays?
A
Code
B
Real-time data visualization from sensors
C
Only text logs
D
Only alerts
22
API in IoT stands for?
A
Application Programming Interface
B
Auto Protocol Integration
C
Application Process Input
D
Auto Program Interface
23
JSON is commonly used in IoT for?
A
Styling
B
Data exchange format
C
Programming
D
Hardware design
24
Node-RED is?
A
Database
B
Visual programming tool for wiring IoT devices
C
Operating system
D
Sensor
25
Blynk app is used for?
A
Gaming
B
Controlling IoT devices from mobile
C
Social media
D
Email
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Time Limit:
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Subject:
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