Practice Motion Sensors - 3.1.3 | Chapter 3: Sensors, Actuators, and Embedded Systems | IoT (Internet of Things) Basic
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does a motion sensor detect?

💡 Hint: Think about the physical activity.

Question 2

Easy

What does PIR stand for?

💡 Hint: Think about what kind of radiation it detects.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What type of motion sensor detects body heat?

  • Ultrasonic
  • PIR
  • Accelerometer

💡 Hint: Consider what kind of sensor is typically used in security.

Question 2

True or False: Accelerometers are primarily used in medical devices.

  • True
  • False

💡 Hint: Think about where you most commonly see accelerometers.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Describe a scenario where both PIR sensors and accelerometers could improve security in a smart home system.

💡 Hint: Think about how integration can improve overall security.

Question 2

Design a fitness application that takes advantage of accelerometers. How does it track the user's physical activity?

💡 Hint: Consider all the activities the app could monitor.

Challenge and get performance evaluation