Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 760 · 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 shows data to you? (a) phone app (b) Wi-Fi (c) sensor (d) actuator
2. 2.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 2 hours?
3. 3.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 7 minutes?
4. 4.What does the sensor do? (a) stores data online (b) carries the data (c) shows data to you (d) measures the real world
5. 5.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “it is sent by Wi-Fi”? (a) the app shows it (b) it is sent by Wi-Fi
6. 6.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a plain wall switch (c) a Wi-Fi weather station (d) a smart energy meter
7. 7.Which of these is an IoT device? (a) an app-controlled bulb (b) a battery torch (c) a pencil sharpener (d) a plain wall switch
8. 8.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a Wi-Fi doorbell camera (c) a plain table fan (d) a fitness band with app
9. 9.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the board reads it (b) it is sent by Wi-Fi (c) the cloud stores it (d) the app shows it
10. 10.🔢 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 cloud stores it (c) the app shows it (d) the sensor measures
11. 11.🔍 Which is the odd one out? (a) a wind-up clock (b) a Wi-Fi weather station (c) a smart energy meter (d) a Wi-Fi smart plug
12. 12.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a Wi-Fi weather station (c) a battery torch (d) an app-controlled bulb
13. 13.🌐 In an IoT system, which part reads values, decides? (a) Wi-Fi (b) sensor (c) cloud server (d) microcontroller
14. 14.🌐 In an IoT system, which part acts on a command? (a) actuator (b) phone app (c) Wi-Fi (d) cloud server
15. 15.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 4 minutes?
16. 16.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the app shows it”? (a) the app shows it (b) the board reads it
17. 17.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 7 minutes?
18. 18.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
19. 19.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the app shows it”? (a) the sensor measures (b) the app shows it
20. 20.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a Wi-Fi smart plug (c) an app-controlled bulb (d) a pencil sharpener
21. 21.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a smart energy meter (d) a plain wall switch
22. 22.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
23. 23.🌐 In an IoT system, which part measures the real world? (a) sensor (b) Wi-Fi (c) cloud server (d) microcontroller
24. 24.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?
25. 25.🔍 Which is the odd one out? (a) a plain wall switch (b) a pencil sharpener (c) a wind-up clock (d) a fitness band with app
26. 26.Which of these is an IoT device? (a) a battery torch (b) a plain wall switch (c) a fitness band with app (d) a wind-up clock
27. 27.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 5 minutes?
28. 28.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the cloud stores it (b) the sensor measures (c) the board reads it (d) the app shows it
29. 29.🏠 Which is a smart-home example? (a) a candle in a jar (b) a hand fan (c) lights on from an app (d) a printed map
30. 30.What does the Wi-Fi link do? (a) shows data to you (b) reads values, decides (c) stores data online (d) carries the data
31. 31.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) a plain table fan (d) a Wi-Fi weather station
32. 32.🔍 Which is the odd one out? (a) a wind-up clock (b) a pencil sharpener (c) a battery torch (d) a Wi-Fi weather station
33. 33.🌐 What does IoT stand for? (a) Input of Tools (b) Inside of Toys (c) Internet of Talk (d) Internet of Things
34. 34.Which of these is an IoT device? (a) a paper calendar (b) a pencil sharpener (c) a smart energy meter (d) a plain table fan
35. 35.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the board reads it”? (a) the cloud stores it (b) the board reads it
36. 36.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 70 readings take?
37. 37.What does the microcontroller do? (a) measures the real world (b) shows data to you (c) carries the data (d) reads values, decides
38. 38.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
39. 39.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 6 hours?
40. 40.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device

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