1) What is a microcontroller? a) a) A video game b) b) A small computer that controls devices c) c) A type of battery d) d) An app on your phone 2) 2. Which sensor measures temperature? a) a) Motion sensor b) b) Light sensor c) c) Temperature sensor d) d) Humidity sensor 3) 3. How can a microcontroller help a robot move a motor? a) a) Sends signals to the microwave b) b) Sends signals to turn the motor on c) c) Opens the house door d) d) Changes the light color 4) 4. Why is programming important with sensors and devices? a) a) It makes the devices look nice b) b) It tells devices how to work and react c) c) It helps clean the devices d) d) It makes devices smaller 5) 5. How do sensors work together to make homes smarter? a) a) By playing music b) b) Only turning on lights c) c) By detecting light, heat, and movement to control lights and temperature d) d) By cleaning the house automatically

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