Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 611 · 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 actuator do? (a) measures the real world (b) carries the data (c) stores data online (d) acts on a command
2. 2.Which of these is an IoT device? (a) a battery torch (b) a paper calendar (c) a Wi-Fi doorbell camera (d) a plain table fan
3. 3.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a paper calendar (d) a smart energy meter
4. 4.🌐 In an IoT system, which part acts on a command? (a) microcontroller (b) Wi-Fi (c) phone app (d) actuator
5. 5.🌐 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
6. 6.🏠 Which is a smart-home example? (a) a candle in a jar (b) a hand fan (c) a printed map (d) lights on from an app
7. 7.Which of these is not an IoT device? (a) a fitness band with app (b) an app-controlled bulb (c) a battery torch (d) a Wi-Fi smart plug
8. 8.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
9. 9.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the cloud stores it (b) it is sent by Wi-Fi (c) the board reads it (d) the app shows it
10. 10.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 smart plug
11. 11.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 1 minute?
12. 12.🌐 In an IoT system, which part carries the data? (a) sensor (b) cloud server (c) Wi-Fi (d) microcontroller
13. 13.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 7 minutes?
14. 14.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 2 minutes?
15. 15.🌐 What does IoT stand for? (a) Input of Tools (b) Inside of Toys (c) Internet of Things (d) Internet of Talk
16. 16.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
17. 17.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 180 readings take?
18. 18.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 2 minutes?
19. 19.Which of these is an IoT device? (a) a plain wall switch (b) a plain table fan (c) a wind-up clock (d) a fitness band with app
20. 20.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the board reads it”? (a) the board reads it (b) the cloud stores it
21. 21.🔍 Which is the odd one out? (a) a paper calendar (b) a plain wall switch (c) a fitness band with app (d) a pencil sharpener
22. 22.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 160 readings take?
23. 23.🔍 Which is the odd one out? (a) a wind-up clock (b) an app-controlled bulb (c) a fitness band with app (d) a Wi-Fi smart plug
24. 24.What does the phone app do? (a) stores data online (b) acts on a command (c) shows data to you (d) carries the data
25. 25.🌐 In an IoT system, which part reads values, decides? (a) microcontroller (b) phone app (c) cloud server (d) sensor
26. 26.What does the sensor do? (a) measures the real world (b) stores data online (c) reads values, decides (d) carries the data
27. 27.What does the Wi-Fi link do? (a) reads values, decides (b) acts on a command (c) measures the real world (d) carries the data
28. 28.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the board reads it (b) it is sent by Wi-Fi (c) the app shows it (d) the sensor measures
29. 29.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain table fan (c) a Wi-Fi weather station (d) a Wi-Fi smart plug
30. 30.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
31. 31.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 9 minutes?
32. 32.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a paper calendar (c) a plain wall switch (d) a wind-up clock
33. 33.What does the microcontroller do? (a) reads values, decides (b) stores data online (c) measures the real world (d) carries the data
34. 34.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 6 hours?
35. 35.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
36. 36.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?
37. 37.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device
38. 38.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a paper calendar (c) a plain table fan (d) a plain wall switch
39. 39.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 3 hours?
40. 40.🌐 In an IoT system, which part shows data to you? (a) actuator (b) cloud server (c) phone app (d) sensor

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