Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 901 · 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 is the odd one out? (a) a paper calendar (b) a Wi-Fi smart plug (c) a Wi-Fi weather station (d) an app-controlled bulb
2. 2.🌐 How does a home IoT device usually send its data to the app? (a) through a candle (b) by post (c) over Wi-Fi (d) by shouting
3. 3.Which of these is an IoT device? (a) a battery torch (b) a pencil sharpener (c) a plain wall switch (d) a Wi-Fi doorbell camera
4. 4.Which of these is an IoT device? (a) a plain wall switch (b) a paper calendar (c) a fitness band with app (d) a plain table fan
5. 5.What does the phone app do? (a) reads values, decides (b) shows data to you (c) acts on a command (d) measures the real world
6. 6.🌐 What does IoT stand for? (a) Input of Tools (b) Internet of Things (c) Inside of Toys (d) Internet of Talk
7. 7.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
8. 8.🔍 Which is the odd one out? (a) a smart energy meter (b) an app-controlled bulb (c) a pencil sharpener (d) a Wi-Fi weather station
9. 9.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 6 hours?
10. 10.🌐 In an IoT system, which part shows data to you? (a) sensor (b) actuator (c) microcontroller (d) phone app
11. 11.🏠 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
12. 12.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a battery torch (c) a Wi-Fi doorbell camera (d) a Wi-Fi weather station
13. 13.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the sensor measures (b) it is sent by Wi-Fi (c) the cloud stores it (d) the app shows it
14. 14.Which of these is not an IoT device? (a) a pencil sharpener (b) a Wi-Fi smart plug (c) an app-controlled bulb (d) a Wi-Fi weather station
15. 15.What does the sensor do? (a) reads values, decides (b) stores data online (c) measures the real world (d) acts on a command
16. 16.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain table fan (c) a Wi-Fi smart plug (d) a Wi-Fi doorbell camera
17. 17.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the sensor measures (b) it is sent by Wi-Fi (c) the board reads it (d) the app shows it
18. 18.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
19. 19.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 1 hour?
20. 20.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) it is sent by Wi-Fi (b) the app shows it (c) the sensor measures (d) the board reads it
21. 21.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 30 readings take?
22. 22.What does the microcontroller do? (a) shows data to you (b) stores data online (c) reads values, decides (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.Which of these is an IoT device? (a) a plain table fan (b) a smart energy meter (c) a plain wall switch (d) a battery torch
25. 25.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi weather station (c) a Wi-Fi smart plug (d) a plain table fan
26. 26.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 9 minutes?
27. 27.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 2 minutes?
28. 28.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 5 hours?
29. 29.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 1 minute?
30. 30.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 5 hours?
31. 31.🌐 In an IoT system, which part reads values, decides? (a) Wi-Fi (b) microcontroller (c) sensor (d) phone app
32. 32.🔍 Which is the odd one out? (a) a pencil sharpener (b) a plain wall switch (c) a battery torch (d) a fitness band with app
33. 33.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 50 readings take?
34. 34.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 60 readings take?
35. 35.🔍 Which is the odd one out? (a) a plain table fan (b) a battery torch (c) a smart energy meter (d) a pencil sharpener
36. 36.🔍 Which is the odd one out? (a) a smart energy meter (b) an app-controlled bulb (c) a wind-up clock (d) a Wi-Fi smart plug
37. 37.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
38. 38.Which of these is an IoT device? (a) a paper calendar (b) a battery torch (c) a plain table fan (d) a Wi-Fi weather station
39. 39.Which of these is an IoT device? (a) a plain table fan (b) a plain wall switch (c) an app-controlled bulb (d) a paper calendar
40. 40.🔍 Which is the odd one out? (a) a plain table fan (b) a wind-up clock (c) a plain wall switch (d) a Wi-Fi doorbell camera

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