Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 328 · 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 battery torch (b) a wind-up clock (c) a paper calendar (d) a Wi-Fi weather station
2. 2.🔍 Which is the odd one out? (a) a paper calendar (b) a smart energy meter (c) a Wi-Fi weather station (d) an app-controlled bulb
3. 3.Which of these is not an IoT device? (a) a smart energy meter (b) an app-controlled bulb (c) a fitness band with app (d) a plain table fan
4. 4.Which of these is an IoT device? (a) a plain wall switch (b) a pencil sharpener (c) an app-controlled bulb (d) a wind-up clock
5. 5.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 150 readings take?
6. 6.What does the sensor do? (a) acts on a command (b) reads values, decides (c) measures the real world (d) stores data online
7. 7.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the board reads it (b) it is sent by Wi-Fi (c) the app shows it (d) the cloud stores it
8. 8.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
9. 9.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 20 readings take?
10. 10.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 4 hours?
11. 11.🏠 Which is a smart-home example? (a) a candle in a jar (b) a printed map (c) a hand fan (d) lights on from an app
12. 12.🌐 In an IoT system, which part stores data online? (a) actuator (b) sensor (c) cloud server (d) phone app
13. 13.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
14. 14.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
15. 15.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
16. 16.🌐 In an IoT system, which part measures the real world? (a) sensor (b) phone app (c) cloud server (d) microcontroller
17. 17.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
18. 18.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Things (c) Internet of Talk (d) Input of Tools
19. 19.🔍 Which is the odd one out? (a) a plain wall switch (b) a wind-up clock (c) an app-controlled bulb (d) a paper calendar
20. 20.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) it is sent by Wi-Fi (b) the sensor measures (c) the board reads it (d) the app shows it
21. 21.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
22. 22.🌐 In an IoT system, which part shows data to you? (a) actuator (b) cloud server (c) sensor (d) phone app
23. 23.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a smart energy meter (c) a battery torch (d) a fitness band with app
24. 24.What does the Wi-Fi link do? (a) shows data to you (b) carries the data (c) acts on a command (d) reads values, decides
25. 25.🔍 Which is the odd one out? (a) a battery torch (b) a plain wall switch (c) a fitness band with app (d) a pencil sharpener
26. 26.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 2 minutes?
27. 27.What does the phone app do? (a) stores data online (b) reads values, decides (c) measures the real world (d) shows data to you
28. 28.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 6 minutes?
29. 29.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a smart energy meter (c) an app-controlled bulb (d) a paper calendar
30. 30.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 2 hours?
31. 31.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
32. 32.Which of these is an IoT device? (a) a wind-up clock (b) a plain wall switch (c) a pencil sharpener (d) a fitness band with app
33. 33.Which of these is an IoT device? (a) a plain wall switch (b) a paper calendar (c) a smart energy meter (d) a plain table fan
34. 34.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 140 readings take?
35. 35.Which of these is an IoT device? (a) a battery torch (b) a plain wall switch (c) a Wi-Fi smart plug (d) a paper calendar
36. 36.What does the actuator do? (a) carries the data (b) shows data to you (c) acts on a command (d) measures the real world
37. 37.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 2 minutes?
38. 38.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 30 readings take?
39. 39.🔢 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
40. 40.🔍 Which is the odd one out? (a) a paper calendar (b) a Wi-Fi weather station (c) a plain wall switch (d) a wind-up clock

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