Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 209 · 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 plain table fan (b) a pencil sharpener (c) a Wi-Fi weather station (d) a plain wall switch
2. 2.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain wall switch (c) a Wi-Fi smart plug (d) a fitness band with app
3. 3.🔍 Which is the odd one out? (a) a smart energy meter (b) a paper calendar (c) a Wi-Fi doorbell camera (d) a Wi-Fi smart plug
4. 4.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 120 readings take?
5. 5.Which of these is not an IoT device? (a) a pencil sharpener (b) a Wi-Fi smart plug (c) a Wi-Fi doorbell camera (d) an app-controlled bulb
6. 6.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 8 minutes?
7. 7.🔢 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
8. 8.🌐 What does IoT stand for? (a) Internet of Talk (b) Input of Tools (c) Internet of Things (d) Inside of Toys
9. 9.🔍 Which is the odd one out? (a) a wind-up clock (b) a Wi-Fi doorbell camera (c) a Wi-Fi weather station (d) an app-controlled bulb
10. 10.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 1 hour?
11. 11.🌐 Is a wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
12. 12.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 110 readings take?
13. 13.🌐 In an IoT system, which part measures the real world? (a) sensor (b) actuator (c) microcontroller (d) phone app
14. 14.🌐 How does a home IoT device usually send its data to the app? (a) over Wi-Fi (b) by post (c) through a candle (d) by shouting
15. 15.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a fitness band with app (c) a Wi-Fi weather station (d) a battery torch
16. 16.🏠 Which is a smart-home example? (a) lights on from an app (b) a hand fan (c) a printed map (d) a candle in a jar
17. 17.What does the phone app do? (a) stores data online (b) acts on a command (c) carries the data (d) shows data to you
18. 18.Which of these is not an IoT device? (a) a fitness band with app (b) a smart energy meter (c) a battery torch (d) an app-controlled bulb
19. 19.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 4 hours?
20. 20.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 6 hours?
21. 21.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
22. 22.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 130 readings take?
23. 23.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 1 minute?
24. 24.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a smart energy meter (c) a pencil sharpener (d) a Wi-Fi weather station
25. 25.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?
26. 26.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the app shows it”? (a) the app shows it (b) the cloud stores it
27. 27.What does the cloud server do? (a) stores data online (b) acts on a command (c) reads values, decides (d) measures the real world
28. 28.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the app shows it (b) the sensor measures (c) it is sent by Wi-Fi (d) the board reads it
29. 29.What does the actuator do? (a) acts on a command (b) stores data online (c) measures the real world (d) carries the data
30. 30.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi doorbell camera (c) a plain table fan (d) a smart energy meter
31. 31.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 4 hours?
32. 32.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 50 readings take?
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, 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
35. 35.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 2 minutes?
36. 36.What does the Wi-Fi link do? (a) stores data online (b) measures the real world (c) carries the data (d) acts on a command
37. 37.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the app shows it (b) the cloud stores it (c) the sensor measures (d) it is sent by Wi-Fi
38. 38.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
39. 39.Which of these is an IoT device? (a) a pencil sharpener (b) a wind-up clock (c) a plain table fan (d) a fitness band with app
40. 40.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the sensor measures”? (a) the sensor measures (b) the cloud stores it

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