Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 789 · 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 Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
2. 2.What does the sensor do? (a) carries the data (b) measures the real world (c) stores data online (d) acts on a command
3. 3.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 3 minutes?
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 15 seconds. How many readings does it send in 7 minutes?
6. 6.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a battery torch (c) a plain table fan (d) a paper calendar
7. 7.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
8. 8.What does the Wi-Fi link do? (a) measures the real world (b) shows data to you (c) carries the data (d) acts on a command
9. 9.🌐 What does IoT stand for? (a) Input of Tools (b) Inside of Toys (c) Internet of Things (d) Internet of Talk
10. 10.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the sensor measures (b) the cloud stores it (c) it is sent by Wi-Fi (d) the app shows it
11. 11.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 3 hours?
12. 12.Which of these is an IoT device? (a) a wind-up clock (b) a Wi-Fi doorbell camera (c) a paper calendar (d) a pencil sharpener
13. 13.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 70 readings take?
14. 14.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 10 minutes?
15. 15.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a smart energy meter (c) a plain table fan (d) a fitness band with app
16. 16.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 8 minutes?
17. 17.🔍 Which is the odd one out? (a) a plain table fan (b) a battery torch (c) an app-controlled bulb (d) a paper calendar
18. 18.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 190 readings take?
19. 19.🔍 Which is the odd one out? (a) a plain wall switch (b) a smart energy meter (c) a Wi-Fi weather station (d) a Wi-Fi doorbell camera
20. 20.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the cloud stores it”? (a) the app shows it (b) the cloud stores it
21. 21.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the cloud stores it”? (a) the cloud stores it (b) the board reads it
22. 22.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 1 hour?
23. 23.🌐 In an IoT system, which part acts on a command? (a) sensor (b) phone app (c) Wi-Fi (d) actuator
24. 24.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
25. 25.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a wind-up clock (d) a Wi-Fi doorbell camera
26. 26.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 5 minutes?
27. 27.Which of these is not an IoT device? (a) an app-controlled bulb (b) a Wi-Fi doorbell camera (c) a battery torch (d) a Wi-Fi weather station
28. 28.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 9 minutes?
29. 29.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the app shows it (b) it is sent by Wi-Fi (c) the sensor measures (d) the board reads it
30. 30.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “it is sent by Wi-Fi”? (a) it is sent by Wi-Fi (b) the app shows it
31. 31.🔢 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
32. 32.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 50 readings take?
33. 33.🔍 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 battery torch
34. 34.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the app shows it (b) the sensor measures (c) it is sent by Wi-Fi (d) the board reads it
35. 35.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 1 hour?
36. 36.What does the microcontroller do? (a) measures the real world (b) shows data to you (c) reads values, decides (d) carries the data
37. 37.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 100 readings take?
38. 38.🔍 Which is the odd one out? (a) a fitness band with app (b) a Wi-Fi smart plug (c) a pencil sharpener (d) a smart energy meter
39. 39.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 20 readings take?
40. 40.What does the phone app do? (a) stores data online (b) acts on a command (c) shows data to you (d) measures the real world

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