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Class 8- Discover AI, Robotics & Coding

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1. What is the main purpose of a temperature sensor?
To measure light To detect sound To measure heat or temperature To detect motion
2. How does a temperature sensor work?
It measures humidity It detects light waves It converts heat into electrical signals It calculates speed
3. Why is the Microbit’s temperature reading sometimes higher than the room temperature?
It measures body temperature It overheats It reads the chip’s internal temperature It has a faulty sensor
4. What does a digital temperature sensor provide?
Analog sound signals Temperature values as digital data Only on/off signals Voltage without conversion
5. Which of the following is a use of temperature sensors in real life?
Flashlight control Temperature control in air conditioners Video recording Vibration detection
6. How often can you read temperature data from Microbit?
Once only Every hour Continuously Only with button press
7. Which of the following statements best describes a sensor?
It stores data It reacts to changes in the environment It connects to the internet It runs only on battery
8. What is a common reason to convert temperature from Celsius to Fahrenheit?
To reduce memory usage To save power To match different measurement standards To prevent overheating
9. Which part of a smart thermostat uses a temperature sensor?
Display screen Plastic case Internal sensor to read room temperature Wi-Fi antenna
10. Which is an advantage of a digital temperature sensor over an analogue one?
Needs more wiring More accurate and easier to read in programs Takes longer to measure Can only be used once