Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 485 · 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 of these is an IoT device? (a) a wind-up clock (b) a paper calendar (c) a fitness band with app (d) a plain wall switch
2. 2.🔍 Which is the odd one out? (a) a battery torch (b) a wind-up clock (c) a plain wall switch (d) an app-controlled bulb
3. 3.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
4. 4.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) through a candle (c) by shouting (d) over Wi-Fi
5. 5.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
6. 6.🔍 Which is the odd one out? (a) a fitness band with app (b) a smart energy meter (c) a Wi-Fi smart plug (d) a wind-up clock
7. 7.🌐 In an IoT system, which part shows data to you? (a) Wi-Fi (b) sensor (c) phone app (d) microcontroller
8. 8.🌐 In an IoT system, which part measures the real world? (a) microcontroller (b) phone app (c) cloud server (d) sensor
9. 9.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 5 hours?
10. 10.What does the sensor do? (a) acts on a command (b) reads values, decides (c) measures the real world (d) shows data to you
11. 11.What does the Wi-Fi link do? (a) measures the real world (b) shows data to you (c) carries the data (d) reads values, decides
12. 12.🔍 Which is the odd one out? (a) a pencil sharpener (b) a battery torch (c) a Wi-Fi doorbell camera (d) a wind-up clock
13. 13.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 170 readings take?
14. 14.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Things (c) Input of Tools (d) Internet of Talk
15. 15.🌐 In an IoT system, which part reads values, decides? (a) Wi-Fi (b) cloud server (c) microcontroller (d) phone app
16. 16.Which of these is an IoT device? (a) a Wi-Fi doorbell camera (b) a battery torch (c) a wind-up clock (d) a paper calendar
17. 17.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the board reads it”? (a) the sensor measures (b) the board reads it
18. 18.🏠 Which is a smart-home example? (a) a printed map (b) lights on from an app (c) a hand fan (d) a candle in a jar
19. 19.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
20. 20.🔍 Which is the odd one out? (a) a fitness band with app (b) a battery torch (c) a smart energy meter (d) a Wi-Fi smart plug
21. 21.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 4 minutes?
22. 22.🌐 In an IoT system, which part acts on a command? (a) phone app (b) cloud server (c) actuator (d) Wi-Fi
23. 23.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a Wi-Fi weather station (c) a smart energy meter (d) a plain wall switch
24. 24.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 8 minutes?
25. 25.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
26. 26.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 70 readings take?
27. 27.What does the actuator do? (a) measures the real world (b) reads values, decides (c) acts on a command (d) stores data online
28. 28.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a fitness band with app (c) a wind-up clock (d) an app-controlled bulb
29. 29.What does the microcontroller do? (a) acts on a command (b) shows data to you (c) carries the data (d) reads values, decides
30. 30.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
31. 31.🔍 Which is the odd one out? (a) a wind-up clock (b) a plain wall switch (c) a fitness band with app (d) a pencil sharpener
32. 32.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the app shows it”? (a) the app shows it (b) the sensor measures
33. 33.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
34. 34.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the app shows it”? (a) the app shows it (b) the board reads it
35. 35.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 5 minutes?
36. 36.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 180 readings take?
37. 37.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device
38. 38.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
39. 39.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the cloud stores it”? (a) the cloud stores it (b) the app shows it
40. 40.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the board reads it”? (a) the app shows it (b) the board reads it

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