Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 210 · 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 of these is not an IoT device? (a) an app-controlled bulb (b) a Wi-Fi smart plug (c) a Wi-Fi doorbell camera (d) a plain table fan
2. 2.🌐 In an IoT system, which part reads values, decides? (a) microcontroller (b) phone app (c) actuator (d) cloud server
3. 3.🌐 In an IoT system, which part measures the real world? (a) actuator (b) sensor (c) Wi-Fi (d) cloud server
4. 4.What does the Wi-Fi link do? (a) measures the real world (b) carries the data (c) acts on a command (d) shows data to you
5. 5.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
6. 6.🌐 In an IoT system, which part acts on a command? (a) Wi-Fi (b) actuator (c) microcontroller (d) phone app
7. 7.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 8 minutes?
8. 8.What does the sensor do? (a) acts on a command (b) carries the data (c) stores data online (d) measures the real world
9. 9.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 120 readings take?
10. 10.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a fitness band with app (c) a Wi-Fi weather station (d) a battery torch
11. 11.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 6 minutes?
12. 12.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
13. 13.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 90 readings take?
14. 14.Which of these is an IoT device? (a) a paper calendar (b) a plain table fan (c) a pencil sharpener (d) a fitness band with app
15. 15.🌐 In an IoT system, which part carries the data? (a) Wi-Fi (b) cloud server (c) actuator (d) phone app
16. 16.Which of these is not an IoT device? (a) a wind-up clock (b) an app-controlled bulb (c) a Wi-Fi doorbell camera (d) a smart energy meter
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 of these is an IoT device? (a) a plain wall switch (b) a smart energy meter (c) a wind-up clock (d) a plain table fan
19. 19.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 4 minutes?
20. 20.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 2 minutes?
21. 21.🔍 Which is the odd one out? (a) a battery torch (b) a plain wall switch (c) a Wi-Fi smart plug (d) a pencil sharpener
22. 22.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi doorbell camera (c) a pencil sharpener (d) a Wi-Fi weather station
23. 23.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 200 readings take?
24. 24.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 7 minutes?
25. 25.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
26. 26.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
27. 27.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a smart energy meter (c) a paper calendar (d) a Wi-Fi smart plug
28. 28.What does the microcontroller do? (a) shows data to you (b) reads values, decides (c) acts on a command (d) measures the real world
29. 29.🌐 What does IoT stand for? (a) Inside of Toys (b) Input of Tools (c) Internet of Things (d) Internet of Talk
30. 30.What does the phone app do? (a) shows data to you (b) carries the data (c) stores data online (d) reads values, decides
31. 31.🔍 Which is the odd one out? (a) a plain table fan (b) a Wi-Fi smart plug (c) a smart energy meter (d) a Wi-Fi doorbell camera
32. 32.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 30 readings take?
33. 33.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the cloud stores it (b) the board reads it (c) the app shows it (d) the sensor measures
34. 34.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?
35. 35.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
36. 36.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the cloud stores it (b) the app shows it (c) the sensor measures (d) it is sent by Wi-Fi
37. 37.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “it is sent by Wi-Fi”? (a) the cloud stores it (b) it is sent by Wi-Fi
38. 38.🔍 Which is the odd one out? (a) a battery torch (b) a Wi-Fi doorbell camera (c) an app-controlled bulb (d) a Wi-Fi weather station
39. 39.🔍 Which is the odd one out? (a) a pencil sharpener (b) a fitness band with app (c) a plain wall switch (d) a battery torch
40. 40.🌐 Is a paper calendar an IoT device? (a) not an IoT device (b) an IoT device

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