Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 360 · 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.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
2. 2.🏠 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
3. 3.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 4 minutes?
4. 4.🔍 Which is the odd one out? (a) a battery torch (b) a paper calendar (c) a fitness band with app (d) a plain wall switch
5. 5.🌐 What does IoT stand for? (a) Internet of Things (b) Internet of Talk (c) Input of Tools (d) Inside of Toys
6. 6.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) Wi-Fi (c) sensor (d) microcontroller
7. 7.What does the Wi-Fi link do? (a) carries the data (b) shows data to you (c) stores data online (d) reads values, decides
8. 8.🌐 In an IoT system, which part reads values, decides? (a) sensor (b) phone app (c) microcontroller (d) Wi-Fi
9. 9.What does the sensor do? (a) carries the data (b) shows data to you (c) measures the real world (d) acts on a command
10. 10.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the cloud stores it”? (a) the cloud stores it (b) the app shows it
11. 11.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) by shouting (c) over Wi-Fi (d) through a candle
12. 12.🔍 Which is the odd one out? (a) a battery torch (b) a Wi-Fi smart plug (c) a Wi-Fi doorbell camera (d) a Wi-Fi weather station
13. 13.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 60 readings take?
14. 14.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 9 minutes?
15. 15.Which of these is not an IoT device? (a) an app-controlled bulb (b) a fitness band with app (c) a paper calendar (d) a Wi-Fi doorbell camera
16. 16.🔢 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 app shows it (d) the board reads it
17. 17.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
18. 18.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a pencil sharpener (c) a plain wall switch (d) a wind-up clock
19. 19.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the board reads it (b) the sensor measures (c) the cloud stores it (d) the app shows it
20. 20.🌐 In an IoT system, which part carries the data? (a) phone app (b) sensor (c) Wi-Fi (d) cloud server
21. 21.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
22. 22.Which of these is an IoT device? (a) a battery torch (b) a pencil sharpener (c) a Wi-Fi doorbell camera (d) a plain wall switch
23. 23.🔍 Which is the odd one out? (a) a smart energy meter (b) an app-controlled bulb (c) a Wi-Fi doorbell camera (d) a plain wall switch
24. 24.What does the actuator do? (a) acts on a command (b) reads values, decides (c) stores data online (d) carries the data
25. 25.Which of these is not an IoT device? (a) a wind-up clock (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a smart energy meter
26. 26.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 10 minutes?
27. 27.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the cloud stores it”? (a) the cloud stores it (b) the sensor measures
28. 28.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the app shows it”? (a) the cloud stores it (b) the app shows it
29. 29.🌐 In an IoT system, which part stores data online? (a) phone app (b) cloud server (c) microcontroller (d) sensor
30. 30.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 2 minutes?
31. 31.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the app shows it”? (a) the app shows it (b) the sensor measures
32. 32.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
33. 33.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
34. 34.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 10 minutes?
35. 35.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 100 readings take?
36. 36.Which of these is not an IoT device? (a) a pencil sharpener (b) a Wi-Fi doorbell camera (c) an app-controlled bulb (d) a smart energy meter
37. 37.🔢 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
38. 38.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?
39. 39.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a smart energy meter (c) a Wi-Fi smart plug (d) a pencil sharpener
40. 40.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 80 readings take?

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