Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 722 · 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.🌐 In an IoT system, which part reads values, decides? (a) microcontroller (b) sensor (c) actuator (d) phone app
2. 2.🔍 Which is the odd one out? (a) a plain table fan (b) a wind-up clock (c) a pencil sharpener (d) an app-controlled bulb
3. 3.What does the cloud server do? (a) stores data online (b) shows data to you (c) measures the real world (d) carries the data
4. 4.What does the sensor do? (a) acts on a command (b) reads values, decides (c) shows data to you (d) measures the real world
5. 5.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
6. 6.🌐 In an IoT system, which part stores data online? (a) cloud server (b) sensor (c) phone app (d) actuator
7. 7.🌐 In an IoT system, which part carries the data? (a) Wi-Fi (b) sensor (c) microcontroller (d) actuator
8. 8.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) through a candle (c) over Wi-Fi (d) by shouting
9. 9.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a pencil sharpener (c) a fitness band with app (d) a smart energy meter
10. 10.What does the actuator do? (a) stores data online (b) acts on a command (c) measures the real world (d) shows data to you
11. 11.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the sensor measures (b) the cloud stores it (c) the board reads it (d) the app shows it
12. 12.🌐 In an IoT system, which part measures the real world? (a) Wi-Fi (b) phone app (c) microcontroller (d) sensor
13. 13.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?
14. 14.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
15. 15.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
16. 16.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
17. 17.What does the microcontroller do? (a) acts on a command (b) stores data online (c) reads values, decides (d) measures the real world
18. 18.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
19. 19.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
20. 20.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 40 readings take?
21. 21.🌐 In an IoT system, which part acts on a command? (a) cloud server (b) sensor (c) actuator (d) phone app
22. 22.What does the phone app do? (a) measures the real world (b) acts on a command (c) shows data to you (d) reads values, decides
23. 23.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 130 readings take?
24. 24.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a pencil sharpener (d) a smart energy meter
25. 25.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 140 readings take?
26. 26.Which of these is not an IoT device? (a) a plain table fan (b) a Wi-Fi doorbell camera (c) a Wi-Fi smart plug (d) a Wi-Fi weather station
27. 27.🏠 Which is a smart-home example? (a) a hand fan (b) lights on from an app (c) a printed map (d) a candle in a jar
28. 28.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the sensor measures”? (a) the app shows it (b) the sensor measures
29. 29.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 5 hours?
30. 30.🔍 Which is the odd one out? (a) a plain table fan (b) a paper calendar (c) a smart energy meter (d) a wind-up clock
31. 31.Which of these is an IoT device? (a) a paper calendar (b) a wind-up clock (c) a plain wall switch (d) a smart energy meter
32. 32.Which of these is an IoT device? (a) a wind-up clock (b) a fitness band with app (c) a plain wall switch (d) a plain table fan
33. 33.🌐 In an IoT system, which part shows data to you? (a) phone app (b) sensor (c) actuator (d) Wi-Fi
34. 34.Which of these is an IoT device? (a) a pencil sharpener (b) a Wi-Fi doorbell camera (c) a plain table fan (d) a battery torch
35. 35.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a paper calendar (c) a fitness band with app (d) a smart energy meter
36. 36.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?
37. 37.🌐 What does IoT stand for? (a) Input of Tools (b) Inside of Toys (c) Internet of Talk (d) Internet of Things
38. 38.What does the Wi-Fi link do? (a) measures the real world (b) stores data online (c) carries the data (d) shows data to you
39. 39.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a battery torch (c) a smart energy meter (d) a Wi-Fi weather station
40. 40.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device

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