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TechLeap 4.0 - QUIZ

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

Which feature makes ESP32 more suitable for IoT than Arduino Uno?

a)

Built-in Wi-Fi & Bluetooth

b)

Faster LED blinking

c)

Cheaper price

d)

More analog pins

2.

What does PWM stand for?

a)

Pulse Width Modulation

b)

Power Watt Management

c)

Pin Wire Mapping

d)

Peripheral Wave Mode

3.

What does an LDR measure?

a)

Temperature

b)

Light Intensity

c)

Humidity

d)

Sound

4.

In an ultrasonic sensor, which pin sends the ultrasonic signal?

a)

Echo

b)

Trigger

c)

VCC

d)

GND

5.

Which of these can be built using ESP32-CAM?

a)

Light-controlled fan

b)

Face detection security system

c)

Humidity logger

d)

Sound meter

6.

MIT App Inventor is used to:

a)

Build mobile apps visually

b)

Build robot arms

c)

Create AI models only

d)

Program microcontrollers directly

7.

What is Teachable Machine mainly used for?

a)

Mechanical design

b)

AI model training

c)

Power supply testing

d)

Circuit simulation

8.

What is the function of the L298 motor controller?

a)

Read temperature

b)

Drive DC motors

c)

Generate Wi-Fi signals

d)

Measure voltage

9.

What does a DHT sensor measure?

a)

Light & motion

b)

Temperature & humidity

c)

Distance & angle

d)

Voltage & current

10.

Which AI tool is developed by Google?

a)

ChatGPT-5

b)

Perplexity

c)

Google LLM

d)

LinkedIn

11.

Why is LinkedIn important for students?

a)

Watching movies

b)

Professional networking

c)

Gaming

d)

Storing code

12.

Which of these can be controlled using PWM?

a)

Motor speed

b)

Wi-Fi strength

c)

Battery charge

d)

File size

13.

Sensor fusion means:

a)

Combining data from multiple sensors

b)

Merging two motors

c)

Fusing wires together

d)

Using one sensor for all tasks

14.

Perplexity AI is known for:

a)

Code debugging

b)

AI-powered search

c)

Image editing

d)

Motor control

15.

AI + IoT + Robotics can be combined to:

a)

Create a smart healthcare robot

b)

Only blink LEDs

c)

Play offline games

d)

Store passwords

16.

Why should students create a LinkedIn account?

a)

To play games online

b)

To network with professionals and showcase skills

c)

To send free messages

d)

To apply for credit cards