Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 780 · 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.🌐 In an IoT system, which part measures the real world? (a) Wi-Fi (b) actuator (c) microcontroller (d) sensor
2. 2.🌐 Is a paper calendar an IoT device? (a) not an IoT device (b) an IoT device
3. 3.🔍 Which is the odd one out? (a) a battery torch (b) a plain table fan (c) a plain wall switch (d) a Wi-Fi weather station
4. 4.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
5. 5.🌐 How does a home IoT device usually send its data to the app? (a) over Wi-Fi (b) through a candle (c) by post (d) by shouting
6. 6.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 1 minute?
7. 7.🌐 In an IoT system, which part acts on a command? (a) actuator (b) microcontroller (c) sensor (d) Wi-Fi
8. 8.Which of these is an IoT device? (a) a paper calendar (b) a pencil sharpener (c) a wind-up clock (d) an app-controlled bulb
9. 9.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the sensor measures”? (a) the sensor measures (b) the app shows it
10. 10.Which of these is an IoT device? (a) a plain wall switch (b) a paper calendar (c) a fitness band with app (d) a battery torch
11. 11.What does the Wi-Fi link do? (a) stores data online (b) measures the real world (c) shows data to you (d) carries the data
12. 12.🏠 Which is a smart-home example? (a) a printed map (b) a hand fan (c) a candle in a jar (d) lights on from an app
13. 13.🔍 Which is the odd one out? (a) a plain table fan (b) a battery torch (c) a wind-up clock (d) a smart energy meter
14. 14.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the board reads it”? (a) the board reads it (b) the sensor measures
15. 15.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 7 minutes?
16. 16.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?
17. 17.Which of these is an IoT device? (a) a plain table fan (b) a wind-up clock (c) a pencil sharpener (d) a smart energy meter
18. 18.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
19. 19.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a Wi-Fi smart plug (c) an app-controlled bulb (d) a wind-up clock
20. 20.What does the phone app do? (a) acts on a command (b) shows data to you (c) carries the data (d) measures the real world
21. 21.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 110 readings take?
22. 22.Which of these is not an IoT device? (a) a smart energy meter (b) a battery torch (c) a Wi-Fi doorbell camera (d) a Wi-Fi smart plug
23. 23.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the sensor measures (b) the board reads it (c) it is sent by Wi-Fi (d) the cloud stores it
24. 24.🌐 In an IoT system, which part carries the data? (a) actuator (b) Wi-Fi (c) cloud server (d) sensor
25. 25.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a pencil sharpener (c) a plain wall switch (d) a plain table fan
26. 26.Which of these is an IoT device? (a) a wind-up clock (b) a plain table fan (c) a paper calendar (d) a Wi-Fi doorbell camera
27. 27.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 20 readings take?
28. 28.What does the sensor do? (a) reads values, decides (b) carries the data (c) stores data online (d) measures the real world
29. 29.🌐 What does IoT stand for? (a) Input of Tools (b) Internet of Talk (c) Internet of Things (d) Inside of Toys
30. 30.🌐 In an IoT system, which part shows data to you? (a) actuator (b) microcontroller (c) phone app (d) sensor
31. 31.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 10 minutes?
32. 32.What does the microcontroller do? (a) acts on a command (b) measures the real world (c) stores data online (d) reads values, decides
33. 33.Which of these is an IoT device? (a) a plain wall switch (b) a battery torch (c) a pencil sharpener (d) a Wi-Fi smart plug
34. 34.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 9 minutes?
35. 35.🔢 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
36. 36.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 110 readings take?
37. 37.🔍 Which is the odd one out? (a) a battery torch (b) a Wi-Fi smart plug (c) a paper calendar (d) a wind-up clock
38. 38.🔢 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 app shows it (d) the cloud stores it
39. 39.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
40. 40.Which of these is an IoT device? (a) a pencil sharpener (b) a Wi-Fi weather station (c) a wind-up clock (d) a plain table fan

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