Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 483 · 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 phone app do? (a) acts on a command (b) measures the real world (c) shows data to you (d) reads values, decides
2. 2.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain table fan (c) a smart energy meter (d) a fitness band with app
3. 3.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 7 minutes?
4. 4.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
5. 5.🔍 Which is the odd one out? (a) a pencil sharpener (b) a smart energy meter (c) a Wi-Fi smart plug (d) a Wi-Fi doorbell camera
6. 6.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 4 hours?
7. 7.🌐 In an IoT system, which part stores data online? (a) cloud server (b) phone app (c) actuator (d) Wi-Fi
8. 8.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
9. 9.Which of these is an IoT device? (a) a fitness band with app (b) a pencil sharpener (c) a plain wall switch (d) a paper calendar
10. 10.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 3 minutes?
11. 11.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the cloud stores it”? (a) the sensor measures (b) the cloud stores it
12. 12.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “it is sent by Wi-Fi”? (a) it is sent by Wi-Fi (b) the board reads it
13. 13.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 4 minutes?
14. 14.🌐 In an IoT system, which part reads values, decides? (a) sensor (b) actuator (c) phone app (d) microcontroller
15. 15.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
16. 16.🔢 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 sensor measures (c) the app shows it (d) the board reads it
17. 17.What does the actuator do? (a) shows data to you (b) acts on a command (c) reads values, decides (d) measures the real world
18. 18.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
19. 19.🔍 Which is the odd one out? (a) a battery torch (b) a Wi-Fi doorbell camera (c) a Wi-Fi weather station (d) a smart energy meter
20. 20.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 20 readings take?
21. 21.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Things (c) Input of Tools (d) Internet of Talk
22. 22.🔍 Which is the odd one out? (a) a plain wall switch (b) a fitness band with app (c) a Wi-Fi doorbell camera (d) an app-controlled bulb
23. 23.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 6 hours?
24. 24.What does the sensor do? (a) measures the real world (b) reads values, decides (c) carries the data (d) stores data online
25. 25.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 4 minutes?
26. 26.🌐 In an IoT system, which part shows data to you? (a) cloud server (b) microcontroller (c) Wi-Fi (d) phone app
27. 27.🌐 How does a home IoT device usually send its data to the app? (a) through a candle (b) by shouting (c) by post (d) over Wi-Fi
28. 28.🌐 Is a paper calendar an IoT device? (a) not an IoT device (b) an IoT device
29. 29.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
30. 30.🌐 In an IoT system, which part measures the real world? (a) actuator (b) phone app (c) sensor (d) microcontroller
31. 31.🌐 Is a wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
32. 32.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
33. 33.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a Wi-Fi smart plug (c) a smart energy meter (d) a wind-up clock
34. 34.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the sensor measures”? (a) the sensor measures (b) the app shows it
35. 35.🔢 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
36. 36.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the app shows it (b) it is sent by Wi-Fi (c) the sensor measures (d) the cloud stores it
37. 37.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the board reads it”? (a) the app shows it (b) the board reads it
38. 38.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 2 hours?
39. 39.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the cloud stores it (b) the sensor measures (c) the app shows it (d) the board reads it
40. 40.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 1 hour?

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