Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 885 · 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.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a Wi-Fi weather station (c) a smart energy meter (d) a paper calendar
2. 2.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a plain wall switch (c) a battery torch (d) a paper calendar
3. 3.🌐 What does IoT stand for? (a) Input of Tools (b) Internet of Talk (c) Inside of Toys (d) Internet of Things
4. 4.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 5 minutes?
5. 5.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
6. 6.🔍 Which is the odd one out? (a) a battery torch (b) a plain table fan (c) a plain wall switch (d) a fitness band with app
7. 7.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the sensor measures (b) the board reads it (c) the app shows it (d) it is sent by Wi-Fi
8. 8.🔍 Which is the odd one out? (a) a smart energy meter (b) a Wi-Fi smart plug (c) a wind-up clock (d) a fitness band with app
9. 9.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 110 readings take?
10. 10.🌐 In an IoT system, which part stores data online? (a) microcontroller (b) Wi-Fi (c) phone app (d) cloud server
11. 11.🌐 In an IoT system, which part shows data to you? (a) cloud server (b) microcontroller (c) phone app (d) Wi-Fi
12. 12.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the app shows it”? (a) the app shows it (b) it is sent by Wi-Fi
13. 13.🌐 How does a home IoT device usually send its data to the app? (a) through a candle (b) by post (c) by shouting (d) over Wi-Fi
14. 14.What does the Wi-Fi link do? (a) shows data to you (b) acts on a command (c) reads values, decides (d) carries the data
15. 15.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
16. 16.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 110 readings take?
17. 17.🌐 In an IoT system, which part carries the data? (a) cloud server (b) Wi-Fi (c) phone app (d) sensor
18. 18.Which of these is not an IoT device? (a) an app-controlled bulb (b) a paper calendar (c) a Wi-Fi doorbell camera (d) a fitness band with app
19. 19.Which of these is not an IoT device? (a) a fitness band with app (b) a plain table fan (c) an app-controlled bulb (d) a Wi-Fi smart plug
20. 20.What does the microcontroller do? (a) reads values, decides (b) shows data to you (c) stores data online (d) carries the data
21. 21.🔍 Which is the odd one out? (a) a pencil sharpener (b) a fitness band with app (c) a Wi-Fi smart plug (d) a smart energy meter
22. 22.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 4 hours?
23. 23.What does the cloud server do? (a) measures the real world (b) stores data online (c) carries the data (d) shows data to you
24. 24.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the app shows it (b) the sensor measures (c) the cloud stores it (d) the board reads it
25. 25.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) Wi-Fi (c) microcontroller (d) sensor
26. 26.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 2 minutes?
27. 27.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
28. 28.🏠 Which is a smart-home example? (a) a candle in a jar (b) lights on from an app (c) a printed map (d) a hand fan
29. 29.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 3 minutes?
30. 30.Which of these is an IoT device? (a) a plain table fan (b) a pencil sharpener (c) a plain wall switch (d) a Wi-Fi weather station
31. 31.🌐 In an IoT system, which part reads values, decides? (a) actuator (b) cloud server (c) phone app (d) microcontroller
32. 32.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 3 minutes?
33. 33.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a battery torch (c) a fitness band with app (d) a smart energy meter
34. 34.🔍 Which is the odd one out? (a) a paper calendar (b) a plain wall switch (c) a battery torch (d) a Wi-Fi weather station
35. 35.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
36. 36.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a wind-up clock (c) a plain wall switch (d) a battery torch
37. 37.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) it is sent by Wi-Fi (b) the board reads it (c) the cloud stores it (d) the sensor measures
38. 38.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
39. 39.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 5 hours?
40. 40.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device

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