Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 271 · 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.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the sensor measures”? (a) the sensor measures (b) the board reads it
2. 2.Which of these is an IoT device? (a) a Wi-Fi weather station (b) a paper calendar (c) a plain wall switch (d) a battery torch
3. 3.What does the sensor do? (a) shows data to you (b) stores data online (c) measures the real world (d) carries the data
4. 4.Which of these is an IoT device? (a) a paper calendar (b) a battery torch (c) a plain table fan (d) a Wi-Fi doorbell camera
5. 5.🔍 Which is the odd one out? (a) a pencil sharpener (b) a paper calendar (c) a plain table fan (d) a fitness band with app
6. 6.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
7. 7.🌐 In an IoT system, which part stores data online? (a) sensor (b) phone app (c) cloud server (d) actuator
8. 8.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 4 hours?
9. 9.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
10. 10.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a Wi-Fi doorbell camera (c) a plain wall switch (d) a smart energy meter
11. 11.What does the actuator do? (a) reads values, decides (b) acts on a command (c) shows data to you (d) stores data online
12. 12.🌐 What does IoT stand for? (a) Internet of Things (b) Inside of Toys (c) Internet of Talk (d) Input of Tools
13. 13.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 4 hours?
14. 14.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a wind-up clock
15. 15.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 5 minutes?
16. 16.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 4 minutes?
17. 17.Which of these is an IoT device? (a) a plain table fan (b) a plain wall switch (c) a pencil sharpener (d) a Wi-Fi smart plug
18. 18.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 2 minutes?
19. 19.🏠 Which is a smart-home example? (a) a candle in a jar (b) a printed map (c) lights on from an app (d) a hand fan
20. 20.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the board reads it (b) the cloud stores it (c) the sensor measures (d) the app shows it
21. 21.What does the microcontroller do? (a) measures the real world (b) acts on a command (c) carries the data (d) reads values, decides
22. 22.🔍 Which is the odd one out? (a) a smart energy meter (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a paper calendar
23. 23.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
24. 24.What does the Wi-Fi link do? (a) shows data to you (b) measures the real world (c) carries the data (d) acts on a command
25. 25.Which of these is an IoT device? (a) a plain wall switch (b) a pencil sharpener (c) a smart energy meter (d) a plain table fan
26. 26.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) Wi-Fi (c) microcontroller (d) sensor
27. 27.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) it is sent by Wi-Fi (b) the cloud stores it (c) the board reads it (d) the sensor measures
28. 28.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the app shows it (b) the cloud stores it (c) the board reads it (d) it is sent by Wi-Fi
29. 29.🌐 In an IoT system, which part carries the data? (a) microcontroller (b) cloud server (c) actuator (d) Wi-Fi
30. 30.🔍 Which is the odd one out? (a) a plain table fan (b) a Wi-Fi weather station (c) a Wi-Fi doorbell camera (d) an app-controlled bulb
31. 31.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) by post (c) through a candle (d) over Wi-Fi
32. 32.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a wind-up clock (c) a pencil sharpener (d) a plain table fan
33. 33.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the app shows it (b) it is sent by Wi-Fi (c) the sensor measures (d) the board reads it
34. 34.🌐 In an IoT system, which part acts on a command? (a) actuator (b) Wi-Fi (c) microcontroller (d) sensor
35. 35.🔍 Which is the odd one out? (a) a fitness band with app (b) a Wi-Fi doorbell camera (c) a Wi-Fi weather station (d) a battery torch
36. 36.What does the phone app do? (a) acts on a command (b) measures the real world (c) shows data to you (d) reads values, decides
37. 37.Which of these is an IoT device? (a) a plain wall switch (b) a fitness band with app (c) a wind-up clock (d) a battery torch
38. 38.Which of these is an IoT device? (a) a battery torch (b) a paper calendar (c) a wind-up clock (d) an app-controlled bulb
39. 39.🔍 Which is the odd one out? (a) a fitness band with app (b) a Wi-Fi doorbell camera (c) a Wi-Fi weather station (d) a wind-up clock
40. 40.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 1 hour?

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