Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 173 · 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.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) over Wi-Fi (c) through a candle (d) by shouting
2. 2.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a Wi-Fi doorbell camera (c) a plain wall switch (d) a fitness band with app
3. 3.🔍 Which is the odd one out? (a) a battery torch (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a smart energy meter
4. 4.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
5. 5.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 3 hours?
6. 6.What does the actuator do? (a) measures the real world (b) reads values, decides (c) acts on a command (d) shows data to you
7. 7.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
8. 8.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 2 minutes?
9. 9.🔍 Which is the odd one out? (a) a battery torch (b) a paper calendar (c) a plain wall switch (d) an app-controlled bulb
10. 10.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
11. 11.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
12. 12.🌐 In an IoT system, which part carries the data? (a) cloud server (b) sensor (c) Wi-Fi (d) phone app
13. 13.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the board reads it”? (a) the board reads it (b) it is sent by Wi-Fi
14. 14.🏠 Which is a smart-home example? (a) a hand fan (b) a printed map (c) lights on from an app (d) a candle in a jar
15. 15.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
16. 16.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 7 minutes?
17. 17.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the sensor measures”? (a) the board reads it (b) the sensor measures
18. 18.Which of these is an IoT device? (a) a plain wall switch (b) a paper calendar (c) a pencil sharpener (d) a Wi-Fi smart plug
19. 19.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 4 minutes?
20. 20.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
21. 21.Which of these is an IoT device? (a) a paper calendar (b) a plain wall switch (c) a battery torch (d) a fitness band with app
22. 22.🌐 What does IoT stand for? (a) Input of Tools (b) Internet of Things (c) Inside of Toys (d) Internet of Talk
23. 23.🌐 In an IoT system, which part measures the real world? (a) Wi-Fi (b) microcontroller (c) actuator (d) sensor
24. 24.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the app shows it (b) the sensor measures (c) the cloud stores it (d) it is sent by Wi-Fi
25. 25.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 50 readings take?
26. 26.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a wind-up clock (c) a Wi-Fi smart plug (d) a fitness band with app
27. 27.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
28. 28.🌐 In an IoT system, which part shows data to you? (a) phone app (b) cloud server (c) sensor (d) Wi-Fi
29. 29.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 190 readings take?
30. 30.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 3 hours?
31. 31.Which of these is an IoT device? (a) a pencil sharpener (b) a wind-up clock (c) an app-controlled bulb (d) a plain table fan
32. 32.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 5 hours?
33. 33.Which of these is an IoT device? (a) a Wi-Fi weather station (b) a paper calendar (c) a plain wall switch (d) a battery torch
34. 34.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
35. 35.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
36. 36.Which of these is an IoT device? (a) a plain wall switch (b) a Wi-Fi doorbell camera (c) a wind-up clock (d) a plain table fan
37. 37.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 6 minutes?
38. 38.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
39. 39.What does the sensor do? (a) acts on a command (b) measures the real world (c) carries the data (d) shows data to you
40. 40.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 5 hours?

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