Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 603 · 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 is the odd one out? (a) a fitness band with app (b) a paper calendar (c) a smart energy meter (d) an app-controlled bulb
2. 2.🏠 Which is a smart-home example? (a) lights on from an app (b) a printed map (c) a candle in a jar (d) a hand fan
3. 3.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
4. 4.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) over Wi-Fi (c) through a candle (d) by shouting
5. 5.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) it is sent by Wi-Fi (b) the app shows it (c) the board reads it (d) the sensor measures
6. 6.Which of these is not an IoT device? (a) a smart energy meter (b) an app-controlled bulb (c) a plain wall switch (d) a Wi-Fi smart plug
7. 7.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 180 readings take?
8. 8.🌐 What does IoT stand for? (a) Internet of Talk (b) Input of Tools (c) Internet of Things (d) Inside of Toys
9. 9.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a Wi-Fi weather station (c) a paper calendar (d) a smart energy meter
10. 10.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 3 hours?
11. 11.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 90 readings take?
12. 12.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 1 minute?
13. 13.Which of these is an IoT device? (a) a Wi-Fi doorbell camera (b) a battery torch (c) a plain wall switch (d) a paper calendar
14. 14.What does the sensor do? (a) carries the data (b) stores data online (c) shows data to you (d) measures the real world
15. 15.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
16. 16.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a pencil sharpener (c) an app-controlled bulb (d) a Wi-Fi doorbell camera
17. 17.🌐 In an IoT system, which part carries the data? (a) actuator (b) sensor (c) cloud server (d) Wi-Fi
18. 18.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 30 readings take?
19. 19.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
20. 20.Which of these is an IoT device? (a) an app-controlled bulb (b) a plain wall switch (c) a paper calendar (d) a plain table fan
21. 21.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
22. 22.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the cloud stores it (b) the board reads it (c) the app shows it (d) it is sent by Wi-Fi
23. 23.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 6 hours?
24. 24.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a fitness band with app (c) a plain wall switch (d) a Wi-Fi smart plug
25. 25.🌐 In an IoT system, which part measures the real world? (a) actuator (b) microcontroller (c) Wi-Fi (d) sensor
26. 26.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the sensor measures”? (a) the sensor measures (b) the cloud stores it
27. 27.Which of these is an IoT device? (a) a fitness band with app (b) a paper calendar (c) a wind-up clock (d) a plain wall switch
28. 28.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
29. 29.🔍 Which is the odd one out? (a) a paper calendar (b) a wind-up clock (c) a Wi-Fi doorbell camera (d) a pencil sharpener
30. 30.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
31. 31.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 190 readings take?
32. 32.What does the actuator do? (a) carries the data (b) acts on a command (c) stores data online (d) reads values, decides
33. 33.🔍 Which is the odd one out? (a) a battery torch (b) a fitness band with app (c) a Wi-Fi doorbell camera (d) an app-controlled bulb
34. 34.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a plain table fan (c) a Wi-Fi smart plug (d) a smart energy meter
35. 35.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 150 readings take?
36. 36.What does the Wi-Fi link do? (a) acts on a command (b) measures the real world (c) carries the data (d) stores data online
37. 37.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 6 hours?
38. 38.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) it is sent by Wi-Fi (b) the app shows it (c) the sensor measures (d) the cloud stores it
39. 39.Which of these is not an IoT device? (a) a fitness band with app (b) a battery torch (c) a Wi-Fi smart plug (d) a Wi-Fi doorbell camera
40. 40.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 180 readings take?

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