Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 851 · 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 pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
2. 2.Which of these is an IoT device? (a) a battery torch (b) a pencil sharpener (c) a fitness band with app (d) a paper calendar
3. 3.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 6 hours?
4. 4.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “it is sent by Wi-Fi”? (a) it is sent by Wi-Fi (b) the board reads it
5. 5.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
6. 6.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 5 minutes?
7. 7.🌐 In an IoT system, which part shows data to you? (a) microcontroller (b) Wi-Fi (c) sensor (d) phone app
8. 8.🌐 In an IoT system, which part reads values, decides? (a) microcontroller (b) actuator (c) cloud server (d) phone app
9. 9.What does the actuator do? (a) acts on a command (b) carries the data (c) measures the real world (d) shows data to you
10. 10.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the board reads it”? (a) the board reads it (b) the app shows it
11. 11.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 4 minutes?
12. 12.Which of these is an IoT device? (a) a smart energy meter (b) a pencil sharpener (c) a battery torch (d) a paper calendar
13. 13.Which of these is not an IoT device? (a) a plain table fan (b) a smart energy meter (c) a Wi-Fi doorbell camera (d) an app-controlled bulb
14. 14.🔍 Which is the odd one out? (a) a wind-up clock (b) a Wi-Fi smart plug (c) a battery torch (d) a plain table fan
15. 15.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a plain wall switch
16. 16.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) through a candle (c) by shouting (d) over Wi-Fi
17. 17.🌐 Is a paper calendar an IoT device? (a) not an IoT device (b) an IoT device
18. 18.🌐 What does IoT stand for? (a) Internet of Talk (b) Input of Tools (c) Inside of Toys (d) Internet of Things
19. 19.🔍 Which is the odd one out? (a) a plain wall switch (b) a Wi-Fi weather station (c) a Wi-Fi smart plug (d) a smart energy meter
20. 20.🏠 Which is a smart-home example? (a) a hand fan (b) lights on from an app (c) a candle in a jar (d) a printed map
21. 21.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) it is sent by Wi-Fi (b) the sensor measures (c) the app shows it (d) the board reads it
22. 22.🔍 Which is the odd one out? (a) a plain table fan (b) a plain wall switch (c) a fitness band with app (d) a wind-up clock
23. 23.🌐 In an IoT system, which part acts on a command? (a) Wi-Fi (b) sensor (c) actuator (d) microcontroller
24. 24.🔍 Which is the odd one out? (a) a fitness band with app (b) a Wi-Fi doorbell camera (c) a wind-up clock (d) a Wi-Fi weather station
25. 25.What does the Wi-Fi link do? (a) stores data online (b) shows data to you (c) acts on a command (d) carries the data
26. 26.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 170 readings take?
27. 27.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “it is sent by Wi-Fi”? (a) it is sent by Wi-Fi (b) the cloud stores it
28. 28.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 1 hour?
29. 29.Which of these is an IoT device? (a) a paper calendar (b) a Wi-Fi weather station (c) a pencil sharpener (d) a plain table fan
30. 30.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain table fan (c) a smart energy meter (d) a Wi-Fi smart plug
31. 31.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
32. 32.🔍 Which is the odd one out? (a) a battery torch (b) a Wi-Fi weather station (c) a smart energy meter (d) a Wi-Fi doorbell camera
33. 33.Which of these is an IoT device? (a) a wind-up clock (b) a plain wall switch (c) a Wi-Fi smart plug (d) a paper calendar
34. 34.What does the sensor do? (a) carries the data (b) acts on a command (c) measures the real world (d) stores data online
35. 35.Which of these is an IoT device? (a) a paper calendar (b) a Wi-Fi doorbell camera (c) a battery torch (d) a plain wall switch
36. 36.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 130 readings take?
37. 37.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) it is sent by Wi-Fi (b) the cloud stores it (c) the sensor measures (d) the board reads it
38. 38.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 9 minutes?
39. 39.🔍 Which is the odd one out? (a) a pencil sharpener (b) a plain wall switch (c) a wind-up clock (d) a smart energy meter
40. 40.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device

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