Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 598 · 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.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) it is sent by Wi-Fi (b) the cloud stores it (c) the app shows it (d) the sensor measures
2. 2.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 50 readings take?
3. 3.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
4. 4.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
5. 5.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
6. 6.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 1 minute?
7. 7.🌐 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
8. 8.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 8 minutes?
9. 9.Which of these is an IoT device? (a) a battery torch (b) a Wi-Fi doorbell camera (c) a plain table fan (d) a wind-up clock
10. 10.🌐 What does IoT stand for? (a) Input of Tools (b) Internet of Talk (c) Internet of Things (d) Inside of Toys
11. 11.Which of these is not an IoT device? (a) a plain wall switch (b) a Wi-Fi smart plug (c) an app-controlled bulb (d) a Wi-Fi doorbell camera
12. 12.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 170 readings take?
13. 13.🔍 Which is the odd one out? (a) a paper calendar (b) a Wi-Fi weather station (c) an app-controlled bulb (d) a Wi-Fi smart plug
14. 14.🔍 Which is the odd one out? (a) a pencil sharpener (b) a paper calendar (c) a smart energy meter (d) a plain wall switch
15. 15.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 5 minutes?
16. 16.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “it is sent by Wi-Fi”? (a) it is sent by Wi-Fi (b) the app shows it
17. 17.🌐 In an IoT system, which part acts on a command? (a) microcontroller (b) Wi-Fi (c) phone app (d) actuator
18. 18.What does the actuator do? (a) stores data online (b) reads values, decides (c) acts on a command (d) carries the data
19. 19.🔍 Which is the odd one out? (a) a fitness band with app (b) a plain wall switch (c) a battery torch (d) a paper calendar
20. 20.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the board reads it (b) it is sent by Wi-Fi (c) the cloud stores it (d) the app shows it
21. 21.🔍 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 plain wall switch
22. 22.Which of these is not an IoT device? (a) a wind-up clock (b) a smart energy meter (c) a fitness band with app (d) a Wi-Fi doorbell camera
23. 23.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the app shows it (b) the board reads it (c) the sensor measures (d) it is sent by Wi-Fi
24. 24.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 5 minutes?
25. 25.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 7 minutes?
26. 26.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 6 minutes?
27. 27.🏠 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
28. 28.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a Wi-Fi doorbell camera (c) a pencil sharpener (d) a fitness band with app
29. 29.🌐 In an IoT system, which part reads values, decides? (a) phone app (b) sensor (c) microcontroller (d) actuator
30. 30.🌐 In an IoT system, which part shows data to you? (a) cloud server (b) Wi-Fi (c) phone app (d) actuator
31. 31.🌐 In an IoT system, which part stores data online? (a) cloud server (b) Wi-Fi (c) actuator (d) microcontroller
32. 32.🌐 In an IoT system, which part carries the data? (a) actuator (b) microcontroller (c) Wi-Fi (d) sensor
33. 33.What does the sensor do? (a) stores data online (b) reads values, decides (c) measures the real world (d) carries the data
34. 34.Which of these is an IoT device? (a) a pencil sharpener (b) a wind-up clock (c) a fitness band with app (d) a plain table fan
35. 35.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a smart energy meter (c) a Wi-Fi smart plug (d) a wind-up clock
36. 36.What does the Wi-Fi link do? (a) reads values, decides (b) shows data to you (c) carries the data (d) stores data online
37. 37.What does the microcontroller do? (a) stores data online (b) acts on a command (c) reads values, decides (d) shows data to you
38. 38.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 3 minutes?
39. 39.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 4 minutes?
40. 40.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device

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