Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 874 · 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.🌐 What does IoT stand for? (a) Inside of Toys (b) Input of Tools (c) Internet of Things (d) Internet of Talk
2. 2.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
3. 3.🔍 Which is the odd one out? (a) a smart energy meter (b) a paper calendar (c) a Wi-Fi smart plug (d) an app-controlled bulb
4. 4.🌐 In an IoT system, which part shows data to you? (a) actuator (b) phone app (c) cloud server (d) microcontroller
5. 5.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “it is sent by Wi-Fi”? (a) the board reads it (b) it is sent by Wi-Fi
6. 6.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a Wi-Fi weather station (c) a plain table fan (d) a Wi-Fi doorbell camera
7. 7.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the cloud stores it (b) the app shows it (c) it is sent by Wi-Fi (d) the sensor measures
8. 8.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
9. 9.🏠 Which is a smart-home example? (a) a candle in a jar (b) a hand fan (c) a printed map (d) lights on from an app
10. 10.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi doorbell camera (c) a Wi-Fi weather station (d) a plain wall switch
11. 11.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 10 minutes?
12. 12.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
13. 13.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “it is sent by Wi-Fi”? (a) the sensor measures (b) it is sent by Wi-Fi
14. 14.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the app shows it (b) the sensor measures (c) the cloud stores it (d) the board reads it
15. 15.What does the microcontroller do? (a) reads values, decides (b) acts on a command (c) carries the data (d) measures the real world
16. 16.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 30 readings take?
17. 17.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
18. 18.🔍 Which is the odd one out? (a) a fitness band with app (b) a smart energy meter (c) a plain wall switch (d) a Wi-Fi smart plug
19. 19.🌐 In an IoT system, which part measures the real world? (a) microcontroller (b) actuator (c) phone app (d) sensor
20. 20.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the app shows it (b) the board reads it (c) it is sent by Wi-Fi (d) the sensor measures
21. 21.What does the Wi-Fi link do? (a) carries the data (b) reads values, decides (c) shows data to you (d) acts on a command
22. 22.What does the sensor do? (a) carries the data (b) acts on a command (c) reads values, decides (d) measures the real world
23. 23.🔍 Which is the odd one out? (a) a plain wall switch (b) a battery torch (c) a wind-up clock (d) a fitness band with app
24. 24.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “it is sent by Wi-Fi”? (a) it is sent by Wi-Fi (b) the app shows it
25. 25.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a Wi-Fi smart plug (c) a fitness band with app (d) a battery torch
26. 26.Which of these is an IoT device? (a) a Wi-Fi weather station (b) a pencil sharpener (c) a plain wall switch (d) a wind-up clock
27. 27.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a battery torch (c) a pencil sharpener (d) a plain wall switch
28. 28.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
29. 29.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
30. 30.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 110 readings take?
31. 31.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 2 minutes?
32. 32.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 6 hours?
33. 33.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 160 readings take?
34. 34.Which of these is not an IoT device? (a) a pencil sharpener (b) an app-controlled bulb (c) a Wi-Fi doorbell camera (d) a fitness band with app
35. 35.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) through a candle (c) by post (d) over Wi-Fi
36. 36.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
37. 37.🔍 Which is the odd one out? (a) a plain table fan (b) a plain wall switch (c) a Wi-Fi doorbell camera (d) a battery torch
38. 38.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the board reads it (b) the app shows it (c) the sensor measures (d) the cloud stores it
39. 39.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 50 readings take?
40. 40.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a fitness band with app (c) a smart energy meter (d) a battery torch

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