Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 158 · 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.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
2. 2.🏠 Which is a smart-home example? (a) lights on from an app (b) a candle in a jar (c) a printed map (d) a hand fan
3. 3.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
4. 4.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
5. 5.What does the sensor do? (a) measures the real world (b) stores data online (c) shows data to you (d) acts on a command
6. 6.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
7. 7.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 4 hours?
8. 8.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the sensor measures (b) the app shows it (c) the board reads it (d) it is sent by Wi-Fi
9. 9.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?
10. 10.🌐 In an IoT system, which part measures the real world? (a) sensor (b) actuator (c) cloud server (d) Wi-Fi
11. 11.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 40 readings take?
12. 12.What does the cloud server do? (a) carries the data (b) stores data online (c) measures the real world (d) reads values, decides
13. 13.🌐 In an IoT system, which part acts on a command? (a) Wi-Fi (b) phone app (c) cloud server (d) actuator
14. 14.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Things (c) Input of Tools (d) Internet of Talk
15. 15.🌐 In an IoT system, which part shows data to you? (a) Wi-Fi (b) microcontroller (c) phone app (d) sensor
16. 16.🌐 In an IoT system, which part stores data online? (a) cloud server (b) sensor (c) microcontroller (d) Wi-Fi
17. 17.Which of these is an IoT device? (a) a plain table fan (b) a Wi-Fi doorbell camera (c) a battery torch (d) a paper calendar
18. 18.🌐 In an IoT system, which part reads values, decides? (a) cloud server (b) sensor (c) phone app (d) microcontroller
19. 19.🔍 Which is the odd one out? (a) a battery torch (b) a wind-up clock (c) a paper calendar (d) an app-controlled bulb
20. 20.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a smart energy meter (c) a plain wall switch (d) a Wi-Fi smart plug
21. 21.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) it is sent by Wi-Fi (b) the cloud stores it (c) the board reads it (d) the app shows it
22. 22.Which of these is an IoT device? (a) a battery torch (b) a plain table fan (c) a wind-up clock (d) a fitness band with app
23. 23.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) it is sent by Wi-Fi (b) the sensor measures (c) the board reads it (d) the cloud stores it
24. 24.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
25. 25.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 2 minutes?
26. 26.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a paper calendar (d) a smart energy meter
27. 27.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 7 minutes?
28. 28.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
29. 29.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 2 hours?
30. 30.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a Wi-Fi smart plug (c) a smart energy meter (d) a wind-up clock
31. 31.Which of these is an IoT device? (a) a smart energy meter (b) a pencil sharpener (c) a paper calendar (d) a plain wall switch
32. 32.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 170 readings take?
33. 33.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a plain wall switch (c) a battery torch (d) a wind-up clock
34. 34.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “it is sent by Wi-Fi”? (a) it is sent by Wi-Fi (b) the sensor measures
35. 35.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 80 readings take?
36. 36.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 3 minutes?
37. 37.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the board reads it”? (a) the app shows it (b) the board reads it
38. 38.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the sensor measures (b) it is sent by Wi-Fi (c) the board reads it (d) the app shows it
39. 39.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi doorbell camera (c) a Wi-Fi weather station (d) a paper calendar
40. 40.🔍 Which is the odd one out? (a) a fitness band with app (b) a plain table fan (c) an app-controlled bulb (d) a Wi-Fi doorbell camera

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