Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 999 · 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.🌐 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
2. 2.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 2 minutes?
3. 3.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 3 minutes?
4. 4.🌐 In an IoT system, which part shows data to you? (a) microcontroller (b) Wi-Fi (c) phone app (d) sensor
5. 5.Which of these is not an IoT device? (a) a battery torch (b) a smart energy meter (c) an app-controlled bulb (d) a Wi-Fi doorbell camera
6. 6.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
7. 7.🔍 Which is the odd one out? (a) a battery torch (b) a plain table fan (c) an app-controlled bulb (d) a paper calendar
8. 8.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 7 minutes?
9. 9.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a Wi-Fi doorbell camera (c) a wind-up clock (d) an app-controlled bulb
10. 10.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
11. 11.🔍 Which is the odd one out? (a) a fitness band with app (b) a wind-up clock (c) a paper calendar (d) a plain table fan
12. 12.🌐 In an IoT system, which part measures the real world? (a) phone app (b) sensor (c) Wi-Fi (d) actuator
13. 13.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the board reads it (b) the sensor measures (c) the cloud stores it (d) it is sent by Wi-Fi
14. 14.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 3 hours?
15. 15.What does the actuator do? (a) measures the real world (b) shows data to you (c) acts on a command (d) reads values, decides
16. 16.Which of these is an IoT device? (a) a paper calendar (b) a Wi-Fi weather station (c) a plain wall switch (d) a pencil sharpener
17. 17.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a paper calendar (c) a battery torch (d) a pencil sharpener
18. 18.🌐 What does IoT stand for? (a) Internet of Things (b) Input of Tools (c) Inside of Toys (d) Internet of Talk
19. 19.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
20. 20.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the board reads it (b) the sensor measures (c) the cloud stores it (d) the app shows it
21. 21.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 1 minute?
22. 22.What does the Wi-Fi link do? (a) reads values, decides (b) stores data online (c) carries the data (d) measures the real world
23. 23.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
24. 24.🌐 In an IoT system, which part carries the data? (a) microcontroller (b) Wi-Fi (c) phone app (d) actuator
25. 25.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a smart energy meter (c) a Wi-Fi smart plug (d) a pencil sharpener
26. 26.🌐 In an IoT system, which part acts on a command? (a) sensor (b) actuator (c) cloud server (d) phone app
27. 27.🌐 In an IoT system, which part reads values, decides? (a) cloud server (b) microcontroller (c) sensor (d) Wi-Fi
28. 28.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
29. 29.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
30. 30.Which of these is an IoT device? (a) a battery torch (b) a fitness band with app (c) a pencil sharpener (d) a plain wall switch
31. 31.🏠 Which is a smart-home example? (a) a candle in a jar (b) a hand fan (c) lights on from an app (d) a printed map
32. 32.Which of these is not an IoT device? (a) an app-controlled bulb (b) a smart energy meter (c) a Wi-Fi doorbell camera (d) a wind-up clock
33. 33.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 10 minutes?
34. 34.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 170 readings take?
35. 35.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
36. 36.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 6 minutes?
37. 37.Which of these is an IoT device? (a) a paper calendar (b) a plain table fan (c) a battery torch (d) a smart energy meter
38. 38.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a plain wall switch (c) an app-controlled bulb (d) a Wi-Fi smart plug
39. 39.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the sensor measures”? (a) the sensor measures (b) the cloud stores it
40. 40.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device

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