Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 689 · 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 20 seconds. How many readings does it send in 9 minutes?
2. 2.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a smart energy meter (c) a wind-up clock (d) a Wi-Fi doorbell camera
3. 3.🌐 What does IoT stand for? (a) Internet of Things (b) Input of Tools (c) Inside of Toys (d) Internet of Talk
4. 4.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
5. 5.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 4 minutes?
6. 6.🏠 Which is a smart-home example? (a) a printed map (b) lights on from an app (c) a hand fan (d) a candle in a jar
7. 7.🌐 In an IoT system, which part reads values, decides? (a) microcontroller (b) actuator (c) phone app (d) cloud server
8. 8.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 110 readings take?
9. 9.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 6 hours?
10. 10.🔍 Which is the odd one out? (a) a plain table fan (b) a plain wall switch (c) a pencil sharpener (d) a Wi-Fi doorbell camera
11. 11.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a fitness band with app (c) a paper calendar (d) a Wi-Fi doorbell camera
12. 12.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) an app-controlled bulb (c) a smart energy meter (d) a paper calendar
13. 13.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
14. 14.What does the Wi-Fi link do? (a) measures the real world (b) carries the data (c) stores data online (d) reads values, decides
15. 15.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
16. 16.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) a plain wall switch (d) a Wi-Fi smart plug
17. 17.Which of these is an IoT device? (a) a plain table fan (b) a pencil sharpener (c) a Wi-Fi smart plug (d) a paper calendar
18. 18.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain table fan (c) a Wi-Fi weather station (d) a fitness band with app
19. 19.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 9 minutes?
20. 20.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 6 minutes?
21. 21.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) phone app (c) actuator (d) sensor
22. 22.Which of these is an IoT device? (a) a paper calendar (b) a battery torch (c) a Wi-Fi weather station (d) a wind-up clock
23. 23.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 6 minutes?
24. 24.Which of these is an IoT device? (a) a battery torch (b) a plain table fan (c) a smart energy meter (d) a paper calendar
25. 25.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) by post (c) over Wi-Fi (d) through a candle
26. 26.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
27. 27.What does the microcontroller do? (a) stores data online (b) measures the real world (c) shows data to you (d) reads values, decides
28. 28.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 140 readings take?
29. 29.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the cloud stores it (b) the board reads it (c) it is sent by Wi-Fi (d) the app shows it
30. 30.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a battery torch (c) a Wi-Fi doorbell camera (d) a fitness band with app
31. 31.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 8 minutes?
32. 32.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “it is sent by Wi-Fi”? (a) the board reads it (b) it is sent by Wi-Fi
33. 33.🌐 In an IoT system, which part stores data online? (a) phone app (b) sensor (c) actuator (d) cloud server
34. 34.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device
35. 35.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 50 readings take?
36. 36.🌐 In an IoT system, which part acts on a command? (a) microcontroller (b) sensor (c) actuator (d) Wi-Fi
37. 37.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 3 minutes?
38. 38.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
39. 39.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 180 readings take?
40. 40.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the sensor measures (b) the app shows it (c) the cloud stores it (d) the board reads it

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