Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 862 · 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 IoT stand for? (a) Internet of Talk (b) Inside of Toys (c) Internet of Things (d) Input of Tools
2. 2.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 50 readings take?
3. 3.Which of these is not an IoT device? (a) an app-controlled bulb (b) a Wi-Fi weather station (c) a fitness band with app (d) a plain table fan
4. 4.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 4 minutes?
5. 5.🔍 Which is the odd one out? (a) a smart energy meter (b) a battery torch (c) a plain wall switch (d) a wind-up clock
6. 6.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) through a candle (c) by post (d) over Wi-Fi
7. 7.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a smart energy meter (c) a Wi-Fi doorbell camera (d) a battery torch
8. 8.Which of these is an IoT device? (a) a plain wall switch (b) a Wi-Fi doorbell camera (c) a battery torch (d) a wind-up clock
9. 9.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 3 minutes?
10. 10.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 1 hour?
11. 11.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
12. 12.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi weather station (c) a paper calendar (d) a Wi-Fi doorbell camera
13. 13.🔢 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
14. 14.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 180 readings take?
15. 15.What does the cloud server do? (a) acts on a command (b) reads values, decides (c) measures the real world (d) stores data online
16. 16.🌐 In an IoT system, which part measures the real world? (a) microcontroller (b) Wi-Fi (c) cloud server (d) sensor
17. 17.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
18. 18.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 1 minute?
19. 19.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) it is sent by Wi-Fi (b) the board reads it (c) the cloud stores it (d) the app shows it
20. 20.🔍 Which is the odd one out? (a) a smart energy meter (b) a Wi-Fi smart plug (c) a Wi-Fi weather station (d) a plain wall switch
21. 21.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
22. 22.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 6 hours?
23. 23.Which of these is an IoT device? (a) a plain table fan (b) a pencil sharpener (c) a paper calendar (d) a smart energy meter
24. 24.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a fitness band with app (c) a wind-up clock (d) a Wi-Fi doorbell camera
25. 25.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi doorbell camera (c) a plain wall switch (d) an app-controlled bulb
26. 26.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the board reads it”? (a) the board reads it (b) the app shows it
27. 27.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 5 hours?
28. 28.Which of these is an IoT device? (a) a plain wall switch (b) a paper calendar (c) a battery torch (d) a fitness band with app
29. 29.🔍 Which is the odd one out? (a) a plain table fan (b) a battery torch (c) a Wi-Fi weather station (d) a paper calendar
30. 30.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 5 hours?
31. 31.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 6 minutes?
32. 32.🔍 Which is the odd one out? (a) a battery torch (b) a pencil sharpener (c) a wind-up clock (d) a fitness band with app
33. 33.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the board reads it (b) the sensor measures (c) the app shows it (d) it is sent by Wi-Fi
34. 34.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 30 readings take?
35. 35.🏠 Which is a smart-home example? (a) a candle in a jar (b) lights on from an app (c) a printed map (d) a hand fan
36. 36.What does the Wi-Fi link do? (a) shows data to you (b) carries the data (c) stores data online (d) measures the real world
37. 37.What does the sensor do? (a) reads values, decides (b) measures the real world (c) shows data to you (d) stores data online
38. 38.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
39. 39.🌐 In an IoT system, which part carries the data? (a) Wi-Fi (b) cloud server (c) sensor (d) phone app
40. 40.🔢 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 app shows it

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