Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 327 · 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 carries the data? (a) phone app (b) Wi-Fi (c) sensor (d) actuator
2. 2.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 6 minutes?
3. 3.Which of these is an IoT device? (a) a pencil sharpener (b) a paper calendar (c) a battery torch (d) a Wi-Fi doorbell camera
4. 4.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?
5. 5.🔍 Which is the odd one out? (a) a fitness band with app (b) a plain wall switch (c) a smart energy meter (d) a Wi-Fi smart plug
6. 6.🌐 In an IoT system, which part shows data to you? (a) sensor (b) phone app (c) cloud server (d) actuator
7. 7.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
8. 8.What does the Wi-Fi link do? (a) acts on a command (b) measures the real world (c) carries the data (d) reads values, decides
9. 9.🌐 In an IoT system, which part acts on a command? (a) microcontroller (b) actuator (c) sensor (d) Wi-Fi
10. 10.🏠 Which is a smart-home example? (a) lights on from an app (b) a printed map (c) a candle in a jar (d) a hand fan
11. 11.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 2 minutes?
12. 12.🌐 In an IoT system, which part reads values, decides? (a) sensor (b) phone app (c) Wi-Fi (d) microcontroller
13. 13.What does the microcontroller do? (a) stores data online (b) acts on a command (c) measures the real world (d) reads values, decides
14. 14.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 4 hours?
15. 15.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
16. 16.What does the phone app do? (a) carries the data (b) reads values, decides (c) shows data to you (d) acts on a command
17. 17.What does the sensor do? (a) measures the real world (b) acts on a command (c) reads values, decides (d) carries the data
18. 18.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) actuator (c) sensor (d) Wi-Fi
19. 19.Which of these is not an IoT device? (a) an app-controlled bulb (b) a fitness band with app (c) a smart energy meter (d) a wind-up clock
20. 20.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 50 readings take?
21. 21.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
22. 22.🔍 Which is the odd one out? (a) a smart energy meter (b) a Wi-Fi smart plug (c) an app-controlled bulb (d) a paper calendar
23. 23.Which of these is not an IoT device? (a) a paper calendar (b) a fitness band with app (c) a Wi-Fi doorbell camera (d) a Wi-Fi smart plug
24. 24.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 1 minute?
25. 25.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 5 hours?
26. 26.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 200 readings take?
27. 27.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
28. 28.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
29. 29.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
30. 30.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 5 minutes?
31. 31.🌐 How does a home IoT device usually send its data to the app? (a) through a candle (b) by shouting (c) over Wi-Fi (d) by post
32. 32.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the sensor measures (b) the board reads it (c) the cloud stores it (d) the app shows it
33. 33.🌐 What does IoT stand for? (a) Internet of Things (b) Inside of Toys (c) Internet of Talk (d) Input of Tools
34. 34.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 190 readings take?
35. 35.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
36. 36.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 8 minutes?
37. 37.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 3 minutes?
38. 38.🌐 In an IoT system, which part stores data online? (a) Wi-Fi (b) sensor (c) cloud server (d) microcontroller
39. 39.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 120 readings take?
40. 40.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 50 readings take?

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