Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 193 · 40 questions

Remember (Sense, send, store, show): IoT device = an everyday thing that shares data over the internet (usually Wi-Fi and an app). Data flow: sensor → board → Wi-Fi → cloud → app (and commands back to an actuator). Readings sent = total time ÷ time between readings, in the same units.

1. 1.Which of these is an IoT device? (a) a battery torch (b) a wind-up clock (c) a plain wall switch (d) a smart energy meter
2. 2.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
3. 3.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the sensor measures (b) it is sent by Wi-Fi (c) the board reads it (d) the app shows it
4. 4.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
5. 5.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 80 readings take?
6. 6.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
7. 7.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
8. 8.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
9. 9.What does the cloud server do? (a) shows data to you (b) stores data online (c) carries the data (d) measures the real world
10. 10.🌐 In an IoT system, which part carries the data? (a) Wi-Fi (b) actuator (c) sensor (d) microcontroller
11. 11.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the sensor measures”? (a) it is sent by Wi-Fi (b) the sensor measures
12. 12.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the board reads it”? (a) it is sent by Wi-Fi (b) the board reads it
13. 13.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a wind-up clock (c) a battery torch (d) a plain table fan
14. 14.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 1 hour?
15. 15.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) by shouting (c) through a candle (d) over Wi-Fi
16. 16.What does the sensor do? (a) measures the real world (b) acts on a command (c) shows data to you (d) reads values, decides
17. 17.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
18. 18.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) sensor (c) Wi-Fi (d) microcontroller
19. 19.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the board reads it”? (a) the board reads it (b) the sensor measures
20. 20.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a Wi-Fi weather station (c) a Wi-Fi smart plug (d) a plain wall switch
21. 21.Which of these is not an IoT device? (a) a pencil sharpener (b) a Wi-Fi smart plug (c) a Wi-Fi doorbell camera (d) a fitness band with app
22. 22.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 130 readings take?
23. 23.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the app shows it (b) the cloud stores it (c) it is sent by Wi-Fi (d) the board reads it
24. 24.🏠 Which is a smart-home example? (a) a hand fan (b) lights on from an app (c) a candle in a jar (d) a printed map
25. 25.🔍 Which is the odd one out? (a) a smart energy meter (b) a fitness band with app (c) a battery torch (d) a Wi-Fi weather station
26. 26.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device
27. 27.What does the microcontroller do? (a) acts on a command (b) stores data online (c) reads values, decides (d) measures the real world
28. 28.🔍 Which is the odd one out? (a) a paper calendar (b) an app-controlled bulb (c) a pencil sharpener (d) a plain table fan
29. 29.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a Wi-Fi doorbell camera (c) a smart energy meter (d) a plain wall switch
30. 30.🌐 In an IoT system, which part acts on a command? (a) sensor (b) actuator (c) Wi-Fi (d) phone app
31. 31.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
32. 32.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a fitness band with app (c) a paper calendar (d) a Wi-Fi smart plug
33. 33.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 3 hours?
34. 34.What does the actuator do? (a) measures the real world (b) reads values, decides (c) stores data online (d) acts on a command
35. 35.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a wind-up clock (d) a smart energy meter
36. 36.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the sensor measures”? (a) the sensor measures (b) the cloud stores it
37. 37.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 170 readings take?
38. 38.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
39. 39.Which of these is not an IoT device? (a) an app-controlled bulb (b) a battery torch (c) a Wi-Fi doorbell camera (d) a fitness band with app
40. 40.🌐 What does IoT stand for? (a) Internet of Things (b) Internet of Talk (c) Input of Tools (d) Inside of Toys

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