Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 928 · 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 the Wi-Fi link do? (a) reads values, decides (b) carries the data (c) measures the real world (d) stores data online
2. 2.🏠 Which is a smart-home example? (a) lights on from an app (b) a hand fan (c) a candle in a jar (d) a printed map
3. 3.🌐 In an IoT system, which part stores data online? (a) Wi-Fi (b) actuator (c) cloud server (d) microcontroller
4. 4.Which of these is an IoT device? (a) a plain table fan (b) a plain wall switch (c) a wind-up clock (d) a fitness band with app
5. 5.What does the microcontroller do? (a) reads values, decides (b) measures the real world (c) stores data online (d) shows data to you
6. 6.🔍 Which is the odd one out? (a) a battery torch (b) an app-controlled bulb (c) a wind-up clock (d) a paper calendar
7. 7.🔍 Which is the odd one out? (a) a pencil sharpener (b) a Wi-Fi weather station (c) a plain table fan (d) a plain wall switch
8. 8.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
9. 9.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 2 hours?
10. 10.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 2 minutes?
11. 11.🌐 What does IoT stand for? (a) Input of Tools (b) Internet of Things (c) Inside of Toys (d) Internet of Talk
12. 12.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
13. 13.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the board reads it (b) the sensor measures (c) the app shows it (d) it is sent by Wi-Fi
14. 14.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 60 readings take?
15. 15.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 1 hour?
16. 16.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
17. 17.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the app shows it”? (a) it is sent by Wi-Fi (b) the app shows it
18. 18.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 5 minutes?
19. 19.Which of these is an IoT device? (a) a smart energy meter (b) a plain table fan (c) a pencil sharpener (d) a paper calendar
20. 20.🌐 In an IoT system, which part measures the real world? (a) actuator (b) phone app (c) microcontroller (d) sensor
21. 21.🔍 Which is the odd one out? (a) a battery torch (b) a smart energy meter (c) an app-controlled bulb (d) a Wi-Fi weather station
22. 22.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 40 readings take?
23. 23.Which of these is an IoT device? (a) a plain wall switch (b) a wind-up clock (c) a paper calendar (d) a Wi-Fi smart plug
24. 24.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 2 hours?
25. 25.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the board reads it (b) the app shows it (c) the cloud stores it (d) the sensor measures
26. 26.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
27. 27.What does the actuator do? (a) carries the data (b) reads values, decides (c) acts on a command (d) shows data to you
28. 28.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
29. 29.What does the phone app do? (a) shows data to you (b) carries the data (c) measures the real world (d) stores data online
30. 30.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) an app-controlled bulb (d) a battery torch
31. 31.🌐 In an IoT system, which part shows data to you? (a) microcontroller (b) phone app (c) sensor (d) Wi-Fi
32. 32.Which of these is an IoT device? (a) a pencil sharpener (b) a plain wall switch (c) a plain table fan (d) a Wi-Fi doorbell camera
33. 33.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 150 readings take?
34. 34.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
35. 35.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 3 minutes?
36. 36.🔢 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
37. 37.🌐 In an IoT system, which part acts on a command? (a) actuator (b) cloud server (c) phone app (d) microcontroller
38. 38.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 6 hours?
39. 39.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 9 minutes?
40. 40.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 2 hours?

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