Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 996 · 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.Which of these is an IoT device? (a) a pencil sharpener (b) a plain table fan (c) a plain wall switch (d) a Wi-Fi doorbell camera
2. 2.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Talk (c) Internet of Things (d) Input of Tools
3. 3.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 3 hours?
4. 4.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “it is sent by Wi-Fi”? (a) it is sent by Wi-Fi (b) the board reads it
5. 5.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 9 minutes?
6. 6.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 2 minutes?
7. 7.What does the cloud server do? (a) carries the data (b) acts on a command (c) measures the real world (d) stores data online
8. 8.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) it is sent by Wi-Fi (b) the cloud stores it (c) the app shows it (d) the sensor measures
9. 9.🌐 In an IoT system, which part measures the real world? (a) phone app (b) Wi-Fi (c) sensor (d) actuator
10. 10.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
11. 11.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
12. 12.What does the Wi-Fi link do? (a) acts on a command (b) carries the data (c) shows data to you (d) reads values, decides
13. 13.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
14. 14.🔍 Which is the odd one out? (a) a smart energy meter (b) a wind-up clock (c) a Wi-Fi doorbell camera (d) a Wi-Fi weather station
15. 15.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 5 hours?
16. 16.What does the microcontroller do? (a) stores data online (b) acts on a command (c) carries the data (d) reads values, decides
17. 17.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 9 minutes?
18. 18.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
19. 19.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?
20. 20.What does the sensor do? (a) stores data online (b) carries the data (c) measures the real world (d) shows data to you
21. 21.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi weather station (c) a paper calendar (d) a Wi-Fi smart plug
22. 22.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the sensor measures”? (a) the sensor measures (b) it is sent by Wi-Fi
23. 23.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) it is sent by Wi-Fi (b) the board reads it (c) the app shows 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.🌐 In an IoT system, which part carries the data? (a) sensor (b) microcontroller (c) cloud server (d) Wi-Fi
26. 26.🌐 In an IoT system, which part acts on a command? (a) phone app (b) actuator (c) Wi-Fi (d) microcontroller
27. 27.Which of these is an IoT device? (a) a battery torch (b) a wind-up clock (c) a pencil sharpener (d) a fitness band with app
28. 28.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
29. 29.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 4 hours?
30. 30.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a paper calendar (c) a Wi-Fi doorbell camera (d) an app-controlled bulb
31. 31.Which of these is an IoT device? (a) a plain wall switch (b) a paper calendar (c) a Wi-Fi weather station (d) a plain table fan
32. 32.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 2 hours?
33. 33.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 200 readings take?
34. 34.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 1 minute?
35. 35.🔍 Which is the odd one out? (a) a paper calendar (b) a plain wall switch (c) a smart energy meter (d) a battery torch
36. 36.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
37. 37.🔍 Which is the odd one out? (a) a paper calendar (b) a wind-up clock (c) a Wi-Fi doorbell camera (d) a plain table fan
38. 38.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the cloud stores it (b) the sensor measures (c) the app shows it (d) it is sent by Wi-Fi
39. 39.Which of these is an IoT device? (a) a pencil sharpener (b) a Wi-Fi smart plug (c) a plain wall switch (d) a battery torch
40. 40.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 90 readings take?

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