Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 272 · 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 is the odd one out? (a) a smart energy meter (b) a paper calendar (c) a plain table fan (d) a plain wall switch
2. 2.🔢 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 cloud stores it (c) the sensor measures (d) the app shows it
3. 3.🔍 Which is the odd one out? (a) a wind-up clock (b) a fitness band with app (c) a plain table fan (d) a plain wall switch
4. 4.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 5 hours?
5. 5.What does the phone app do? (a) shows data to you (b) carries the data (c) stores data online (d) reads values, decides
6. 6.What does the sensor do? (a) stores data online (b) carries the data (c) reads values, decides (d) measures the real world
7. 7.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 130 readings take?
8. 8.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
9. 9.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 120 readings take?
10. 10.What does the cloud server do? (a) carries the data (b) acts on a command (c) measures the real world (d) stores data online
11. 11.🔍 Which is the odd one out? (a) a smart energy meter (b) a fitness band with app (c) a pencil sharpener (d) a Wi-Fi smart plug
12. 12.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?
13. 13.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
14. 14.🔍 Which is the odd one out? (a) a wind-up clock (b) an app-controlled bulb (c) a paper calendar (d) a plain table fan
15. 15.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a Wi-Fi weather station (c) a plain wall switch (d) an app-controlled bulb
16. 16.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
17. 17.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a smart energy meter (c) a battery torch (d) a fitness band with app
18. 18.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
19. 19.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) through a candle (c) over Wi-Fi (d) by post
20. 20.Which of these is not an IoT device? (a) a pencil sharpener (b) a Wi-Fi weather station (c) an app-controlled bulb (d) a Wi-Fi smart plug
21. 21.Which of these is an IoT device? (a) a wind-up clock (b) a paper calendar (c) a battery torch (d) a smart energy meter
22. 22.🏠 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
23. 23.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 120 readings take?
24. 24.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 80 readings take?
25. 25.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
26. 26.🌐 What does IoT stand for? (a) Input of Tools (b) Internet of Talk (c) Inside of Toys (d) Internet of Things
27. 27.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 200 readings take?
28. 28.Which of these is an IoT device? (a) a plain table fan (b) a pencil sharpener (c) a Wi-Fi smart plug (d) a plain wall switch
29. 29.🌐 In an IoT system, which part shows data to you? (a) Wi-Fi (b) cloud server (c) phone app (d) actuator
30. 30.Which of these is not an IoT device? (a) a plain table fan (b) a Wi-Fi doorbell camera (c) an app-controlled bulb (d) a Wi-Fi smart plug
31. 31.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 2 minutes?
32. 32.Which of these is an IoT device? (a) a paper calendar (b) a wind-up clock (c) a plain table fan (d) a Wi-Fi weather station
33. 33.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?
34. 34.🔍 Which is the odd one out? (a) a wind-up clock (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a Wi-Fi doorbell camera
35. 35.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the sensor measures (b) it is sent by Wi-Fi (c) the app shows it (d) the board reads it
36. 36.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
37. 37.🌐 In an IoT system, which part measures the real world? (a) actuator (b) Wi-Fi (c) sensor (d) cloud server
38. 38.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 100 readings take?
39. 39.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 150 readings take?
40. 40.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 1 minute?

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