LEC 6

Question 1

What are the 3 main components in smartphone

Answer 1

Communications mode
sensory inputs
Actuators/Outputs

Question 2

What are the main communication modes in smartphones?

Answer 2

Cellular (4G/5G/Satellite)
WiFi (2.4GHz, 5GHz)
Bluetooth
Near Field Communication (NFC)

Question 3

What are the sensory inputs available in smartphones?

Answer 3

Light sensor
Microphone, Camera
Fingerprint sensor
Temperature sensor

Question 4

What are the actuator/outputs in smartphones?

Answer 4

Speaker
LED flashlight
LCD screen
Haptic feedback (Vibration)

Question 5

Why are smartphones good candidates for IoT?

Answer 5

Portable and versatile
Pre-built sensors and actuators
Ready internet connection

Question 6

What are the 4 key components of IoT in smartphones?

Answer 6

Embedded systems – smartphones are powerful embedded systems
Connectivity – smartphones have multiple connectivity options
User interface – software (apps) and hardware (touchscreen)
Server & data storage – built-in memory and expandable storage

Question 7

How are smartphones be used in IoT?

Answer 7

As an bridge connecting to the cloud
As an IoT device
As a graphical user interface (GUI)

Question 8

what are some case studies of smartphone-based IoT applications?

Answer 8

Step tracker: Uses Bluetooth to communicate and shows step count
Transportation app: Uses cellular network for bus tracking
Ride-hailing apps (Grab, Uber, etc.): Uses cellular networks for matching drivers & riders
Bike-sharing/Parking management: Uses GPS & NB-IoT with Bluetooth communication

Question 9

How do u extend smartphone capabilities

Answer 9

paring with additional hardware, the considerations are
Communication methods : wired or wireless
Portability
Proximity with smart phone
Data Volume