Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 261 · 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.🌐 How does a home IoT device usually send its data to the app? (a) through a candle (b) by shouting (c) by post (d) over Wi-Fi
2. 2.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Talk (c) Input of Tools (d) Internet of Things
3. 3.🌐 In an IoT system, which part shows data to you? (a) microcontroller (b) phone app (c) actuator (d) cloud server
4. 4.🏠 Which is a smart-home example? (a) a printed map (b) a candle in a jar (c) a hand fan (d) lights on from an app
5. 5.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a smart energy meter (c) a paper calendar (d) a Wi-Fi weather station
6. 6.🔍 Which is the odd one out? (a) a pencil sharpener (b) a paper calendar (c) a smart energy meter (d) a plain wall switch
7. 7.Which of these is not an IoT device? (a) a battery torch (b) a fitness band with app (c) a Wi-Fi smart plug (d) a Wi-Fi weather station
8. 8.Which of these is an IoT device? (a) a plain table fan (b) a paper calendar (c) a wind-up clock (d) a Wi-Fi weather station
9. 9.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 90 readings take?
10. 10.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a Wi-Fi doorbell camera (c) a plain table fan (d) a smart energy meter
11. 11.🌐 In an IoT system, which part carries the data? (a) microcontroller (b) Wi-Fi (c) sensor (d) phone app
12. 12.🔍 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 doorbell camera
13. 13.What does the Wi-Fi link do? (a) measures the real world (b) carries the data (c) stores data online (d) acts on a command
14. 14.🔍 Which is the odd one out? (a) a paper calendar (b) a plain wall switch (c) a Wi-Fi smart plug (d) a wind-up clock
15. 15.What does the microcontroller do? (a) shows data to you (b) reads values, decides (c) stores data online (d) acts on a command
16. 16.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a plain wall switch (c) a battery torch (d) a plain table fan
17. 17.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
18. 18.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the cloud stores it”? (a) it is sent by Wi-Fi (b) the cloud stores it
19. 19.🌐 In an IoT system, which part reads values, decides? (a) sensor (b) phone app (c) Wi-Fi (d) microcontroller
20. 20.What does the sensor do? (a) stores data online (b) acts on a command (c) shows data to you (d) measures the real world
21. 21.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 20 readings take?
22. 22.🔍 Which is the odd one out? (a) a plain wall switch (b) a Wi-Fi smart plug (c) a fitness band with app (d) an app-controlled bulb
23. 23.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi doorbell camera (c) an app-controlled bulb (d) a plain wall switch
24. 24.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
25. 25.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
26. 26.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
27. 27.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 2 minutes?
28. 28.🔍 Which is the odd one out? (a) a smart energy meter (b) a battery torch (c) an app-controlled bulb (d) a Wi-Fi doorbell camera
29. 29.🔍 Which is the odd one out? (a) a paper calendar (b) a plain wall switch (c) a pencil sharpener (d) a Wi-Fi weather station
30. 30.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 90 readings take?
31. 31.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) it is sent by Wi-Fi (b) the sensor measures (c) the app shows it (d) the board reads it
32. 32.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 6 minutes?
33. 33.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 8 minutes?
34. 34.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
35. 35.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 1 hour?
36. 36.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 90 readings take?
37. 37.🌐 In an IoT system, which part measures the real world? (a) sensor (b) cloud server (c) Wi-Fi (d) microcontroller
38. 38.🔍 Which is the odd one out? (a) a paper calendar (b) a fitness band with app (c) a plain table fan (d) a battery torch
39. 39.🌐 In an IoT system, which part acts on a command? (a) Wi-Fi (b) cloud server (c) microcontroller (d) actuator
40. 40.Which of these is not an IoT device? (a) an app-controlled bulb (b) a fitness band with app (c) a wind-up clock (d) a smart energy meter

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