Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 645 · 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 sensor measures”? (a) the board reads it (b) it is sent by Wi-Fi (c) the app shows it (d) the cloud stores it
2. 2.🌐 In an IoT system, which part carries the data? (a) phone app (b) actuator (c) Wi-Fi (d) microcontroller
3. 3.🌐 What does IoT stand for? (a) Internet of Things (b) Inside of Toys (c) Input of Tools (d) Internet of Talk
4. 4.🌐 In an IoT system, which part stores data online? (a) actuator (b) microcontroller (c) sensor (d) cloud server
5. 5.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
6. 6.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the cloud stores it”? (a) the cloud stores it (b) the board reads it
7. 7.What does the actuator do? (a) reads values, decides (b) stores data online (c) measures the real world (d) acts on a command
8. 8.What does the microcontroller do? (a) carries the data (b) stores data online (c) reads values, decides (d) acts on a command
9. 9.🌐 In an IoT system, which part measures the real world? (a) phone app (b) sensor (c) Wi-Fi (d) cloud server
10. 10.What does the cloud server do? (a) reads values, decides (b) measures the real world (c) stores data online (d) shows data to you
11. 11.Which of these is an IoT device? (a) a paper calendar (b) a wind-up clock (c) a Wi-Fi doorbell camera (d) a plain wall switch
12. 12.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 7 minutes?
13. 13.🌐 In an IoT system, which part reads values, decides? (a) cloud server (b) Wi-Fi (c) phone app (d) microcontroller
14. 14.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 180 readings take?
15. 15.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a Wi-Fi weather station (c) a wind-up clock (d) a Wi-Fi smart plug
16. 16.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 4 hours?
17. 17.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?
18. 18.Which of these is not an IoT device? (a) an app-controlled bulb (b) a fitness band with app (c) a paper calendar (d) a Wi-Fi smart plug
19. 19.🔍 Which is the odd one out? (a) a plain wall switch (b) a battery torch (c) a wind-up clock (d) a Wi-Fi smart plug
20. 20.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 5 hours?
21. 21.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi smart plug (c) a plain table fan (d) an app-controlled bulb
22. 22.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 2 minutes?
23. 23.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
24. 24.🏠 Which is a smart-home example? (a) a hand fan (b) a printed map (c) a candle in a jar (d) lights on from an app
25. 25.🔍 Which is the odd one out? (a) a plain wall switch (b) a pencil sharpener (c) a paper calendar (d) a Wi-Fi doorbell camera
26. 26.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 4 minutes?
27. 27.🔍 Which is the odd one out? (a) a smart energy meter (b) a battery torch (c) an app-controlled bulb (d) a Wi-Fi smart plug
28. 28.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a battery torch (c) a fitness band with app (d) an app-controlled bulb
29. 29.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 150 readings take?
30. 30.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 140 readings take?
31. 31.🌐 In an IoT system, which part acts on a command? (a) microcontroller (b) sensor (c) actuator (d) phone app
32. 32.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) a plain table fan (d) a Wi-Fi smart plug
33. 33.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a wind-up clock (c) a plain table fan (d) a pencil sharpener
34. 34.What does the phone app do? (a) acts on a command (b) measures the real world (c) shows data to you (d) stores data online
35. 35.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 20 readings take?
36. 36.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a pencil sharpener (c) a Wi-Fi weather station (d) a fitness band with app
37. 37.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 70 readings take?
38. 38.🌐 In an IoT system, which part shows data to you? (a) Wi-Fi (b) microcontroller (c) phone app (d) actuator
39. 39.Which of these is an IoT device? (a) a pencil sharpener (b) a plain table fan (c) a smart energy meter (d) a wind-up clock
40. 40.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 2 minutes?

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