Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 294 · 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.What does the microcontroller do? (a) acts on a command (b) stores data online (c) carries the data (d) reads values, decides
2. 2.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) over Wi-Fi (c) through a candle (d) by post
3. 3.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 6 hours?
4. 4.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?
5. 5.What does the cloud server do? (a) stores data online (b) shows data to you (c) measures the real world (d) acts on a command
6. 6.🏠 Which is a smart-home example? (a) a hand fan (b) a candle in a jar (c) lights on from an app (d) a printed map
7. 7.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 3 minutes?
8. 8.🔢 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 app shows it (c) the cloud stores it (d) the sensor measures
9. 9.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a Wi-Fi weather station (c) a pencil sharpener (d) a Wi-Fi doorbell camera
10. 10.🌐 In an IoT system, which part shows data to you? (a) microcontroller (b) phone app (c) Wi-Fi (d) cloud server
11. 11.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 5 minutes?
12. 12.Which of these is not an IoT device? (a) a smart energy meter (b) a plain table fan (c) a Wi-Fi doorbell camera (d) an app-controlled bulb
13. 13.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a paper calendar (d) a fitness band with app
14. 14.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 2 hours?
15. 15.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 1 minute?
16. 16.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
17. 17.🌐 In an IoT system, which part stores data online? (a) Wi-Fi (b) phone app (c) cloud server (d) sensor
18. 18.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) an app-controlled bulb (c) a wind-up clock (d) a Wi-Fi weather station
19. 19.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the cloud stores it (b) the board reads it (c) the sensor measures (d) the app shows it
20. 20.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a wind-up clock (c) a pencil sharpener (d) a plain table fan
21. 21.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 5 minutes?
22. 22.What does the sensor do? (a) carries the data (b) measures the real world (c) reads values, decides (d) stores data online
23. 23.🔍 Which is the odd one out? (a) a fitness band with app (b) a smart energy meter (c) a Wi-Fi doorbell camera (d) a wind-up clock
24. 24.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the board reads it (b) the cloud stores it (c) the app shows it (d) the sensor measures
25. 25.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the app shows it”? (a) the sensor measures (b) the app shows it
26. 26.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
27. 27.Which of these is an IoT device? (a) a pencil sharpener (b) a plain wall switch (c) a battery torch (d) an app-controlled bulb
28. 28.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
29. 29.Which of these is an IoT device? (a) a wind-up clock (b) a battery torch (c) a fitness band with app (d) a plain table fan
30. 30.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
31. 31.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 190 readings take?
32. 32.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 6 minutes?
33. 33.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi weather station (c) a fitness band with app (d) a plain wall switch
34. 34.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 1 hour?
35. 35.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a fitness band with app (c) a Wi-Fi doorbell camera (d) a pencil sharpener
36. 36.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Talk (c) Internet of Things (d) Input of Tools
37. 37.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 8 minutes?
38. 38.🔍 Which is the odd one out? (a) a wind-up clock (b) a Wi-Fi weather station (c) a paper calendar (d) a battery torch
39. 39.Which of these is an IoT device? (a) a plain wall switch (b) a battery torch (c) a Wi-Fi smart plug (d) a plain table fan
40. 40.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 10 minutes?

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