Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 929 · 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 phone app do? (a) carries the data (b) measures the real world (c) shows data to you (d) reads values, decides
2. 2.🌐 In an IoT system, which part shows data to you? (a) actuator (b) sensor (c) phone app (d) microcontroller
3. 3.🏠 Which is a smart-home example? (a) lights on from an app (b) a candle in a jar (c) a hand fan (d) a printed map
4. 4.🌐 What does IoT stand for? (a) Internet of Talk (b) Inside of Toys (c) Internet of Things (d) Input of Tools
5. 5.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the app shows it (b) the board reads it (c) it is sent by Wi-Fi (d) the cloud stores it
6. 6.🔍 Which is the odd one out? (a) a battery torch (b) a Wi-Fi smart plug (c) a Wi-Fi weather station (d) an app-controlled bulb
7. 7.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the app shows it (b) it is sent by Wi-Fi (c) the board reads it (d) the sensor measures
8. 8.🌐 In an IoT system, which part acts on a command? (a) actuator (b) microcontroller (c) sensor (d) phone app
9. 9.🔍 Which is the odd one out? (a) a plain table fan (b) an app-controlled bulb (c) a Wi-Fi weather station (d) a Wi-Fi smart plug
10. 10.🌐 In an IoT system, which part stores data online? (a) Wi-Fi (b) cloud server (c) microcontroller (d) sensor
11. 11.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a plain table fan (c) an app-controlled bulb (d) a Wi-Fi doorbell camera
12. 12.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
13. 13.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
14. 14.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
15. 15.What does the Wi-Fi link do? (a) reads values, decides (b) shows data to you (c) acts on a command (d) carries the data
16. 16.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the board reads it”? (a) the sensor measures (b) the board reads it
17. 17.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 90 readings take?
18. 18.What does the microcontroller do? (a) reads values, decides (b) shows data to you (c) acts on a command (d) measures the real world
19. 19.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 6 minutes?
20. 20.Which of these is an IoT device? (a) a plain table fan (b) an app-controlled bulb (c) a paper calendar (d) a battery torch
21. 21.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the app shows it”? (a) the app shows it (b) the cloud stores it
22. 22.🌐 In an IoT system, which part measures the real world? (a) microcontroller (b) sensor (c) actuator (d) Wi-Fi
23. 23.🌐 How does a home IoT device usually send its data to the app? (a) over Wi-Fi (b) by post (c) by shouting (d) through a candle
24. 24.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 5 minutes?
25. 25.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 8 minutes?
26. 26.Which of these is not an IoT device? (a) a fitness band with app (b) a smart energy meter (c) a Wi-Fi doorbell camera (d) a battery torch
27. 27.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 3 hours?
28. 28.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 100 readings take?
29. 29.Which of these is an IoT device? (a) a battery torch (b) a pencil sharpener (c) a plain wall switch (d) a Wi-Fi doorbell camera
30. 30.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “it is sent by Wi-Fi”? (a) the board reads it (b) it is sent by Wi-Fi
31. 31.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 130 readings take?
32. 32.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
33. 33.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 8 minutes?
34. 34.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
35. 35.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 50 readings take?
36. 36.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
37. 37.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the app shows it (b) it is sent by Wi-Fi (c) the cloud stores it (d) the sensor measures
38. 38.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 3 minutes?
39. 39.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the sensor measures (b) the app shows it (c) the cloud stores it (d) the board reads it
40. 40.Which of these is not an IoT device? (a) an app-controlled bulb (b) a fitness band with app (c) a Wi-Fi doorbell camera (d) a plain wall switch

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