Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 116 · 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 not an IoT device? (a) a Wi-Fi doorbell camera (b) an app-controlled bulb (c) a plain table fan (d) a fitness band with app
2. 2.🔍 Which is the odd one out? (a) a smart energy meter (b) a Wi-Fi weather station (c) a paper calendar (d) a Wi-Fi smart plug
3. 3.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
4. 4.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the sensor measures (b) it is sent by Wi-Fi (c) the app shows it (d) the board reads it
5. 5.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the sensor measures”? (a) the sensor measures (b) the app shows it
6. 6.🌐 In an IoT system, which part carries the data? (a) sensor (b) actuator (c) Wi-Fi (d) microcontroller
7. 7.What does the sensor do? (a) measures the real world (b) shows data to you (c) carries the data (d) reads values, decides
8. 8.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
9. 9.🏠 Which is a smart-home example? (a) lights on from an app (b) a printed map (c) a candle in a jar (d) a hand fan
10. 10.🔢 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
11. 11.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
12. 12.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 200 readings take?
13. 13.🌐 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
14. 14.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) it is sent by Wi-Fi (b) the cloud stores it (c) the app shows it (d) the board reads it
15. 15.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 3 minutes?
16. 16.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the app shows it”? (a) the app shows it (b) the cloud stores it
17. 17.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a fitness band with app (d) a paper calendar
18. 18.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 100 readings take?
19. 19.🔍 Which is the odd one out? (a) a smart energy meter (b) a fitness band with app (c) a plain wall switch (d) an app-controlled bulb
20. 20.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 100 readings take?
21. 21.🔍 Which is the odd one out? (a) a fitness band with app (b) a smart energy meter (c) a Wi-Fi smart plug (d) a battery torch
22. 22.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the cloud stores it”? (a) the cloud stores it (b) it is sent by Wi-Fi
23. 23.What does the phone app do? (a) reads values, decides (b) carries the data (c) shows data to you (d) measures the real world
24. 24.🌐 What does IoT stand for? (a) Input of Tools (b) Internet of Things (c) Inside of Toys (d) Internet of Talk
25. 25.What does the Wi-Fi link do? (a) carries the data (b) reads values, decides (c) shows data to you (d) stores data online
26. 26.What does the microcontroller do? (a) stores data online (b) reads values, decides (c) shows data to you (d) acts on a command
27. 27.Which of these is an IoT device? (a) an app-controlled bulb (b) a plain table fan (c) a wind-up clock (d) a plain wall switch
28. 28.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
29. 29.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 3 hours?
30. 30.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 10 minutes?
31. 31.🌐 In an IoT system, which part measures the real world? (a) Wi-Fi (b) sensor (c) microcontroller (d) phone app
32. 32.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “it is sent by Wi-Fi”? (a) the sensor measures (b) it is sent by Wi-Fi
33. 33.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the board reads it (b) the cloud stores it (c) it is sent by Wi-Fi (d) the app shows it
34. 34.🌐 In an IoT system, which part reads values, decides? (a) sensor (b) microcontroller (c) cloud server (d) actuator
35. 35.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 4 minutes?
36. 36.Which of these is an IoT device? (a) a plain wall switch (b) a wind-up clock (c) a plain table fan (d) a Wi-Fi doorbell camera
37. 37.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 1 minute?
38. 38.🔍 Which is the odd one out? (a) a pencil sharpener (b) a wind-up clock (c) a fitness band with app (d) a plain table fan
39. 39.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device
40. 40.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 1 hour?

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids