Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 497 · 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.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 3 minutes?
2. 2.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 170 readings take?
3. 3.What does the Wi-Fi link do? (a) shows data to you (b) reads values, decides (c) carries the data (d) stores data online
4. 4.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
5. 5.What does the cloud server do? (a) measures the real world (b) stores data online (c) carries the data (d) acts on a command
6. 6.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 110 readings take?
7. 7.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) through a candle (c) over Wi-Fi (d) by post
8. 8.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) an app-controlled bulb (c) a pencil sharpener (d) a Wi-Fi weather station
9. 9.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
10. 10.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
11. 11.Which of these is an IoT device? (a) a paper calendar (b) a pencil sharpener (c) a battery torch (d) an app-controlled bulb
12. 12.Which of these is an IoT device? (a) a pencil sharpener (b) a plain table fan (c) a Wi-Fi weather station (d) a battery torch
13. 13.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 4 hours?
14. 14.🌐 What does IoT stand for? (a) Internet of Things (b) Input of Tools (c) Inside of Toys (d) Internet of Talk
15. 15.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?
16. 16.🔍 Which is the odd one out? (a) a wind-up clock (b) a paper calendar (c) a Wi-Fi weather station (d) a plain wall switch
17. 17.Which of these is an IoT device? (a) a smart energy meter (b) a wind-up clock (c) a pencil sharpener (d) a paper calendar
18. 18.🌐 In an IoT system, which part stores data online? (a) phone app (b) sensor (c) actuator (d) cloud server
19. 19.🏠 Which is a smart-home example? (a) a hand fan (b) a printed map (c) lights on from an app (d) a candle in a jar
20. 20.Which of these is an IoT device? (a) a plain wall switch (b) a wind-up clock (c) a plain table fan (d) a Wi-Fi doorbell camera
21. 21.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the app shows it”? (a) it is sent by Wi-Fi (b) the app shows it
22. 22.What does the sensor do? (a) reads values, decides (b) stores data online (c) carries the data (d) measures the real world
23. 23.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the board reads it (b) it is sent by Wi-Fi (c) the sensor measures (d) the app shows it
24. 24.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) Wi-Fi (c) phone app (d) sensor
25. 25.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
26. 26.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a Wi-Fi doorbell camera (c) a pencil sharpener (d) an app-controlled bulb
27. 27.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 6 minutes?
28. 28.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the app shows it (b) the board reads it (c) the cloud stores it (d) the sensor measures
29. 29.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a battery torch (c) a paper calendar (d) a plain table fan
30. 30.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the sensor measures”? (a) the app shows it (b) the sensor measures
31. 31.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the cloud stores it (b) it is sent by Wi-Fi (c) the sensor measures (d) the app shows it
32. 32.What does the actuator do? (a) reads values, decides (b) measures the real world (c) acts on a command (d) shows data to you
33. 33.Which of these is an IoT device? (a) a plain table fan (b) a battery torch (c) a wind-up clock (d) a Wi-Fi smart plug
34. 34.🌐 In an IoT system, which part acts on a command? (a) actuator (b) cloud server (c) Wi-Fi (d) phone app
35. 35.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a smart energy meter (c) a Wi-Fi weather station (d) a plain wall switch
36. 36.🌐 In an IoT system, which part shows data to you? (a) Wi-Fi (b) actuator (c) microcontroller (d) phone app
37. 37.🔍 Which is the odd one out? (a) a battery torch (b) a plain wall switch (c) a smart energy meter (d) a paper calendar
38. 38.🌐 In an IoT system, which part reads values, decides? (a) actuator (b) phone app (c) cloud server (d) microcontroller
39. 39.🌐 In an IoT system, which part carries the data? (a) phone app (b) Wi-Fi (c) actuator (d) sensor
40. 40.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 200 readings take?

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