Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 55 · 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 paper calendar an IoT device? (a) an IoT device (b) not an IoT device
2. 2.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a battery torch (c) an app-controlled bulb (d) a Wi-Fi weather station
3. 3.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 100 readings take?
4. 4.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
5. 5.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
6. 6.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) it is sent by Wi-Fi (b) the board reads it (c) the sensor measures (d) the app shows it
7. 7.🌐 What does IoT stand for? (a) Internet of Talk (b) Internet of Things (c) Input of Tools (d) Inside of Toys
8. 8.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 5 minutes?
9. 9.Which of these is not an IoT device? (a) an app-controlled bulb (b) a Wi-Fi weather station (c) a Wi-Fi doorbell camera (d) a wind-up clock
10. 10.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
11. 11.🔍 Which is the odd one out? (a) a plain wall switch (b) a smart energy meter (c) a Wi-Fi smart plug (d) a Wi-Fi doorbell camera
12. 12.What does the microcontroller do? (a) acts on a command (b) carries the data (c) shows data to you (d) reads values, decides
13. 13.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a fitness band with app (c) an app-controlled bulb (d) a paper calendar
14. 14.🏠 Which is a smart-home example? (a) a candle in a jar (b) a printed map (c) lights on from an app (d) a hand fan
15. 15.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a Wi-Fi smart plug (c) a pencil sharpener (d) an app-controlled bulb
16. 16.🔢 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
17. 17.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 5 hours?
18. 18.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a plain table fan (c) an app-controlled bulb (d) a Wi-Fi weather station
19. 19.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a fitness band with app (c) an app-controlled bulb (d) a wind-up clock
20. 20.🔍 Which is the odd one out? (a) a plain table fan (b) a paper calendar (c) a Wi-Fi doorbell camera (d) a plain wall switch
21. 21.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 180 readings take?
22. 22.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
23. 23.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
24. 24.Which of these is not an IoT device? (a) an app-controlled bulb (b) a pencil sharpener (c) a smart energy meter (d) a Wi-Fi doorbell camera
25. 25.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 3 hours?
26. 26.What does the actuator do? (a) stores data online (b) carries the data (c) shows data to you (d) acts on a command
27. 27.🌐 In an IoT system, which part reads values, decides? (a) phone app (b) actuator (c) Wi-Fi (d) microcontroller
28. 28.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
29. 29.🌐 In an IoT system, which part carries the data? (a) phone app (b) cloud server (c) actuator (d) Wi-Fi
30. 30.🔍 Which is the odd one out? (a) a fitness band with app (b) a Wi-Fi weather station (c) a plain table fan (d) a Wi-Fi smart plug
31. 31.🔍 Which is the odd one out? (a) a plain table fan (b) a wind-up clock (c) a Wi-Fi smart plug (d) a paper calendar
32. 32.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?
33. 33.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
34. 34.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) it is sent by Wi-Fi (b) the sensor measures (c) the board reads it (d) the cloud stores it
35. 35.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the cloud stores it (b) the sensor measures (c) the app shows it (d) it is sent by Wi-Fi
36. 36.What does the phone app do? (a) acts on a command (b) shows data to you (c) carries the data (d) reads values, decides
37. 37.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 3 hours?
38. 38.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the cloud stores it (b) the app shows it (c) the sensor measures (d) the board reads it
39. 39.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
40. 40.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 6 minutes?

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