Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 944 · 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.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the sensor measures (b) the app shows it (c) the cloud stores it (d) it is sent by Wi-Fi
2. 2.🌐 In an IoT system, which part measures the real world? (a) sensor (b) Wi-Fi (c) microcontroller (d) phone app
3. 3.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a pencil sharpener (c) a fitness band with app (d) a smart energy meter
4. 4.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the app shows it (b) the sensor measures (c) it is sent by Wi-Fi (d) the cloud stores it
5. 5.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 4 hours?
6. 6.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
7. 7.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 2 hours?
8. 8.What does the sensor do? (a) shows data to you (b) measures the real world (c) acts on a command (d) reads values, decides
9. 9.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 120 readings take?
10. 10.What does the microcontroller do? (a) carries the data (b) reads values, decides (c) shows data to you (d) acts on a command
11. 11.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 3 hours?
12. 12.Which of these is an IoT device? (a) a paper calendar (b) a battery torch (c) a Wi-Fi weather station (d) a plain table fan
13. 13.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 6 minutes?
14. 14.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Talk (c) Input of Tools (d) Internet of Things
15. 15.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
16. 16.🔍 Which is the odd one out? (a) a battery torch (b) a plain wall switch (c) a Wi-Fi smart plug (d) a plain table fan
17. 17.🌐 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
18. 18.🏠 Which is a smart-home example? (a) a hand fan (b) a candle in a jar (c) lights on from an app (d) a printed map
19. 19.🔍 Which is the odd one out? (a) a plain wall switch (b) a pencil sharpener (c) a plain table fan (d) a Wi-Fi weather station
20. 20.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
21. 21.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
22. 22.🌐 In an IoT system, which part acts on a command? (a) microcontroller (b) actuator (c) Wi-Fi (d) phone app
23. 23.🌐 In an IoT system, which part shows data to you? (a) sensor (b) phone app (c) microcontroller (d) cloud server
24. 24.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 9 minutes?
25. 25.🔍 Which is the odd one out? (a) a plain table fan (b) a fitness band with app (c) an app-controlled bulb (d) a Wi-Fi doorbell camera
26. 26.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
27. 27.Which of these is an IoT device? (a) a battery torch (b) a fitness band with app (c) a plain wall switch (d) a wind-up clock
28. 28.🔢 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
29. 29.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 6 minutes?
30. 30.🔍 Which is the odd one out? (a) a plain wall switch (b) an app-controlled bulb (c) a Wi-Fi weather station (d) a smart energy meter
31. 31.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
32. 32.What does the actuator do? (a) measures the real world (b) acts on a command (c) stores data online (d) shows data to you
33. 33.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a smart energy meter (c) a paper calendar (d) a fitness band with app
34. 34.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 3 minutes?
35. 35.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
36. 36.🌐 In an IoT system, which part stores data online? (a) sensor (b) cloud server (c) Wi-Fi (d) actuator
37. 37.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
38. 38.Which of these is an IoT device? (a) an app-controlled bulb (b) a battery torch (c) a plain table fan (d) a pencil sharpener
39. 39.🔍 Which is the odd one out? (a) a wind-up clock (b) a Wi-Fi smart plug (c) an app-controlled bulb (d) a smart energy meter
40. 40.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?

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