Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 39 · 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) Internet of Things (b) Input of Tools (c) Inside of Toys (d) Internet of Talk
2. 2.🌐 In an IoT system, which part carries the data? (a) microcontroller (b) phone app (c) Wi-Fi (d) actuator
3. 3.What does the actuator do? (a) measures the real world (b) shows data to you (c) reads values, decides (d) acts on a command
4. 4.Which of these is an IoT device? (a) a paper calendar (b) a fitness band with app (c) a plain table fan (d) a battery torch
5. 5.🔍 Which is the odd one out? (a) a plain wall switch (b) a smart energy meter (c) a Wi-Fi weather station (d) an app-controlled bulb
6. 6.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
7. 7.🔍 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
8. 8.🌐 In an IoT system, which part reads values, decides? (a) microcontroller (b) Wi-Fi (c) phone app (d) actuator
9. 9.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
10. 10.🔢 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
11. 11.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 180 readings take?
12. 12.Which of these is an IoT device? (a) a Wi-Fi weather station (b) a battery torch (c) a paper calendar (d) a pencil sharpener
13. 13.🔍 Which is the odd one out? (a) a plain wall switch (b) a wind-up clock (c) a plain table fan (d) an app-controlled bulb
14. 14.What does the phone app do? (a) stores data online (b) shows data to you (c) measures the real world (d) carries the data
15. 15.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi smart plug (c) a fitness band with app (d) a paper calendar
16. 16.🌐 In an IoT system, which part stores data online? (a) cloud server (b) sensor (c) actuator (d) phone app
17. 17.Which of these is an IoT device? (a) a plain wall switch (b) a Wi-Fi smart plug (c) a battery torch (d) a wind-up clock
18. 18.🌐 How does a home IoT device usually send its data to the app? (a) through a candle (b) by post (c) over Wi-Fi (d) by shouting
19. 19.🏠 Which is a smart-home example? (a) a printed map (b) a hand fan (c) lights on from an app (d) a candle in a jar
20. 20.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) actuator (c) sensor (d) microcontroller
21. 21.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 3 hours?
22. 22.What does the cloud server do? (a) reads values, decides (b) acts on a command (c) measures the real world (d) stores data online
23. 23.🌐 In an IoT system, which part shows data to you? (a) sensor (b) Wi-Fi (c) actuator (d) phone app
24. 24.Which of these is an IoT device? (a) a plain wall switch (b) a plain table fan (c) a wind-up clock (d) a Wi-Fi doorbell camera
25. 25.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the board reads it (b) the app shows it (c) it is sent by Wi-Fi (d) the sensor measures
26. 26.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a plain table fan (c) a Wi-Fi smart plug (d) a fitness band with app
27. 27.Which of these is not an IoT device? (a) an app-controlled bulb (b) a Wi-Fi smart plug (c) a plain wall switch (d) a smart energy meter
28. 28.What does the sensor do? (a) carries the data (b) reads values, decides (c) shows data to you (d) measures the real world
29. 29.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a smart energy meter (d) a plain table fan
30. 30.🔍 Which is the odd one out? (a) a plain wall switch (b) a pencil sharpener (c) a wind-up clock (d) a Wi-Fi smart plug
31. 31.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
32. 32.🌐 In an IoT system, which part acts on a command? (a) microcontroller (b) actuator (c) sensor (d) phone app
33. 33.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
34. 34.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
35. 35.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 5 minutes?
36. 36.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a battery torch (c) an app-controlled bulb (d) a Wi-Fi smart plug
37. 37.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 120 readings take?
38. 38.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the cloud stores it (b) the board reads it (c) the sensor measures (d) it is sent by Wi-Fi
39. 39.🔍 Which is the odd one out? (a) a smart energy meter (b) a plain table fan (c) a paper calendar (d) a pencil sharpener
40. 40.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a paper calendar (c) an app-controlled bulb (d) a Wi-Fi doorbell camera

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