Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 104 · 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.What does the phone app do? (a) reads values, decides (b) stores data online (c) shows data to you (d) carries the data
2. 2.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 80 readings take?
3. 3.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 40 readings take?
4. 4.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
5. 5.Which of these is an IoT device? (a) a Wi-Fi doorbell camera (b) a plain table fan (c) a paper calendar (d) a battery torch
6. 6.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 3 hours?
7. 7.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 50 readings take?
8. 8.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the cloud stores it”? (a) the board reads it (b) the cloud stores it
9. 9.🌐 What does IoT stand for? (a) Internet of Talk (b) Input of Tools (c) Inside of Toys (d) Internet of Things
10. 10.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 2 hours?
11. 11.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a Wi-Fi doorbell camera (d) a wind-up clock
12. 12.What does the Wi-Fi link do? (a) measures the real world (b) shows data to you (c) acts on a command (d) carries the data
13. 13.Which of these is an IoT device? (a) a plain wall switch (b) a fitness band with app (c) a pencil sharpener (d) a wind-up clock
14. 14.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) it is sent by Wi-Fi (b) the app shows it (c) the board reads it (d) the sensor measures
15. 15.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
16. 16.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
17. 17.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) through a candle (c) by post (d) over Wi-Fi
18. 18.🔢 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
19. 19.What does the microcontroller do? (a) measures the real world (b) stores data online (c) carries the data (d) reads values, decides
20. 20.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
21. 21.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
22. 22.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 4 hours?
23. 23.🏠 Which is a smart-home example? (a) a printed map (b) lights on from an app (c) a candle in a jar (d) a hand fan
24. 24.What does the actuator do? (a) measures the real world (b) carries the data (c) stores data online (d) acts on a command
25. 25.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the board reads it”? (a) the board reads it (b) the app shows it
26. 26.🔍 Which is the odd one out? (a) a battery torch (b) a paper calendar (c) a fitness band with app (d) a wind-up clock
27. 27.🌐 In an IoT system, which part carries the data? (a) sensor (b) Wi-Fi (c) microcontroller (d) phone app
28. 28.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 1 minute?
29. 29.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
30. 30.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) a Wi-Fi smart plug (d) a plain wall switch
31. 31.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 4 hours?
32. 32.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 190 readings take?
33. 33.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 190 readings take?
34. 34.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
35. 35.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain table fan (c) a fitness band with app (d) a Wi-Fi doorbell camera
36. 36.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 5 minutes?
37. 37.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 1 hour?
38. 38.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
39. 39.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 4 hours?
40. 40.Which of these is an IoT device? (a) a wind-up clock (b) a smart energy meter (c) a pencil sharpener (d) a plain wall switch

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