Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 515 · 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.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
2. 2.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
3. 3.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 1 hour?
4. 4.🌐 In an IoT system, which part shows data to you? (a) sensor (b) phone app (c) cloud server (d) actuator
5. 5.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 1 hour?
6. 6.🔍 Which is the odd one out? (a) a paper calendar (b) a battery torch (c) a plain table fan (d) a Wi-Fi smart plug
7. 7.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 130 readings take?
8. 8.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
9. 9.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device
10. 10.🏠 Which is a smart-home example? (a) a candle in a jar (b) a printed map (c) a hand fan (d) lights on from an app
11. 11.Which of these is an IoT device? (a) a wind-up clock (b) a paper calendar (c) a battery torch (d) a Wi-Fi doorbell camera
12. 12.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 90 readings take?
13. 13.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 2 minutes?
14. 14.Which of these is not an IoT device? (a) a fitness band with app (b) a plain wall switch (c) a Wi-Fi doorbell camera (d) an app-controlled bulb
15. 15.🔍 Which is the odd one out? (a) a plain wall switch (b) a paper calendar (c) an app-controlled bulb (d) a pencil sharpener
16. 16.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 190 readings take?
17. 17.🌐 What does IoT stand for? (a) Internet of Talk (b) Input of Tools (c) Inside of Toys (d) Internet of Things
18. 18.🔍 Which is the odd one out? (a) a fitness band with app (b) a battery torch (c) a Wi-Fi smart plug (d) a Wi-Fi doorbell camera
19. 19.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 4 minutes?
20. 20.Which of these is an IoT device? (a) a wind-up clock (b) a plain table fan (c) a paper calendar (d) a fitness band with app
21. 21.Which of these is not an IoT device? (a) a paper calendar (b) an app-controlled bulb (c) a Wi-Fi weather station (d) a Wi-Fi smart plug
22. 22.What does the microcontroller do? (a) shows data to you (b) acts on a command (c) measures the real world (d) reads values, decides
23. 23.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
24. 24.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the sensor measures (b) the cloud stores it (c) the app shows it (d) the board reads it
25. 25.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 150 readings take?
26. 26.What does the sensor do? (a) carries the data (b) stores data online (c) shows data to you (d) measures the real world
27. 27.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
28. 28.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 1 minute?
29. 29.Which of these is an IoT device? (a) a paper calendar (b) a battery torch (c) a plain wall switch (d) a Wi-Fi weather station
30. 30.🌐 In an IoT system, which part measures the real world? (a) phone app (b) sensor (c) microcontroller (d) cloud server
31. 31.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 2 minutes?
32. 32.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the board reads it”? (a) it is sent by Wi-Fi (b) the board reads it
33. 33.What does the cloud server do? (a) measures the real world (b) carries the data (c) shows data to you (d) stores data online
34. 34.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the sensor measures”? (a) the sensor measures (b) the cloud stores it
35. 35.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 10 minutes?
36. 36.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) an app-controlled bulb (d) a wind-up clock
37. 37.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
38. 38.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
39. 39.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) over Wi-Fi (c) by shouting (d) through a candle
40. 40.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device

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