Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 325 · 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 post (b) through a candle (c) over Wi-Fi (d) by shouting
2. 2.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 2 minutes?
3. 3.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 3 hours?
4. 4.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
5. 5.What does the phone app do? (a) reads values, decides (b) shows data to you (c) carries the data (d) measures the real world
6. 6.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 140 readings take?
7. 7.🌐 What does IoT stand for? (a) Input of Tools (b) Inside of Toys (c) Internet of Talk (d) Internet of Things
8. 8.🔍 Which is the odd one out? (a) a smart energy meter (b) a Wi-Fi weather station (c) a fitness band with app (d) a paper calendar
9. 9.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 150 readings take?
10. 10.🔍 Which is the odd one out? (a) a smart energy meter (b) a Wi-Fi weather station (c) a plain table fan (d) a Wi-Fi smart plug
11. 11.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “it is sent by Wi-Fi”? (a) the cloud stores it (b) it is sent by Wi-Fi
12. 12.🔍 Which is the odd one out? (a) a wind-up clock (b) a battery torch (c) an app-controlled bulb (d) a pencil sharpener
13. 13.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 1 hour?
14. 14.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 170 readings take?
15. 15.🌐 Is a paper calendar an IoT device? (a) not an IoT device (b) an IoT device
16. 16.What does the microcontroller do? (a) stores data online (b) carries the data (c) reads values, decides (d) shows data to you
17. 17.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 80 readings take?
18. 18.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 160 readings take?
19. 19.🌐 In an IoT system, which part shows data to you? (a) actuator (b) microcontroller (c) phone app (d) sensor
20. 20.Which of these is an IoT device? (a) a plain table fan (b) a battery torch (c) a plain wall switch (d) a smart energy meter
21. 21.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a fitness band with app (c) a smart energy meter (d) a pencil sharpener
22. 22.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a Wi-Fi smart plug (c) a fitness band with app (d) a wind-up clock
23. 23.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the cloud stores it (b) the app shows it (c) the board reads it (d) it is sent by Wi-Fi
24. 24.🔍 Which is the odd one out? (a) a plain table fan (b) a Wi-Fi smart plug (c) a battery torch (d) a wind-up clock
25. 25.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
26. 26.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 60 readings take?
27. 27.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 6 minutes?
28. 28.Which of these is an IoT device? (a) a wind-up clock (b) a paper calendar (c) a Wi-Fi smart plug (d) a plain wall switch
29. 29.Which of these is an IoT device? (a) a plain table fan (b) a battery torch (c) a wind-up clock (d) a fitness band with app
30. 30.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the app shows it (b) the sensor measures (c) the cloud stores it (d) it is sent by Wi-Fi
31. 31.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
32. 32.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a Wi-Fi weather station (c) a Wi-Fi smart plug (d) a battery torch
33. 33.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 1 minute?
34. 34.🌐 In an IoT system, which part acts on a command? (a) phone app (b) actuator (c) sensor (d) cloud server
35. 35.What does the Wi-Fi link do? (a) carries the data (b) measures the real world (c) reads values, decides (d) stores data online
36. 36.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
37. 37.🌐 In an IoT system, which part reads values, decides? (a) Wi-Fi (b) microcontroller (c) actuator (d) sensor
38. 38.🏠 Which is a smart-home example? (a) a candle in a jar (b) a hand fan (c) a printed map (d) lights on from an app
39. 39.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 4 hours?
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