Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 528 · 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.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
2. 2.🌐 What does IoT stand for? (a) Internet of Talk (b) Input of Tools (c) Internet of Things (d) Inside of Toys
3. 3.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi weather station (c) a Wi-Fi doorbell camera (d) a wind-up clock
4. 4.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 8 minutes?
5. 5.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 2 minutes?
6. 6.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 70 readings take?
7. 7.🌐 In an IoT system, which part acts on a command? (a) phone app (b) microcontroller (c) cloud server (d) actuator
8. 8.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
9. 9.What does the cloud server do? (a) acts on a command (b) stores data online (c) carries the data (d) measures the real world
10. 10.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi weather station (c) a plain wall switch (d) a Wi-Fi smart plug
11. 11.What does the sensor do? (a) measures the real world (b) shows data to you (c) carries the data (d) acts on a command
12. 12.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the app shows it”? (a) it is sent by Wi-Fi (b) the app shows it
13. 13.🔢 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
14. 14.🔍 Which is the odd one out? (a) a fitness band with app (b) a plain wall switch (c) a battery torch (d) a plain table fan
15. 15.🌐 Is a paper calendar an IoT device? (a) not an IoT device (b) an IoT device
16. 16.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 50 readings take?
17. 17.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 9 minutes?
18. 18.🔍 Which is the odd one out? (a) a battery torch (b) a plain wall switch (c) a Wi-Fi smart plug (d) a wind-up clock
19. 19.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 180 readings take?
20. 20.🌐 In an IoT system, which part carries the data? (a) Wi-Fi (b) actuator (c) phone app (d) microcontroller
21. 21.What does the Wi-Fi link do? (a) acts on a command (b) reads values, decides (c) carries the data (d) shows data to you
22. 22.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 2 hours?
23. 23.🌐 How does a home IoT device usually send its data to the app? (a) through a candle (b) by post (c) by shouting (d) over Wi-Fi
24. 24.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
25. 25.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
26. 26.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 5 hours?
27. 27.Which of these is an IoT device? (a) a pencil sharpener (b) a battery torch (c) a Wi-Fi doorbell camera (d) a wind-up clock
28. 28.🌐 In an IoT system, which part shows data to you? (a) Wi-Fi (b) sensor (c) microcontroller (d) phone app
29. 29.Which of these is an IoT device? (a) a plain wall switch (b) an app-controlled bulb (c) a plain table fan (d) a paper calendar
30. 30.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “it is sent by Wi-Fi”? (a) the sensor measures (b) it is sent by Wi-Fi
31. 31.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) it is sent by Wi-Fi (b) the cloud stores it (c) the app shows it (d) the board reads it
32. 32.🔍 Which is the odd one out? (a) a fitness band with app (b) a smart energy meter (c) a Wi-Fi smart plug (d) a battery torch
33. 33.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 5 minutes?
34. 34.🔍 Which is the odd one out? (a) a plain wall switch (b) a wind-up clock (c) a plain table fan (d) a Wi-Fi doorbell camera
35. 35.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 5 minutes?
36. 36.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 10 minutes?
37. 37.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 6 hours?
38. 38.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 1 hour?
39. 39.🌐 In an IoT system, which part stores data online? (a) cloud server (b) phone app (c) microcontroller (d) Wi-Fi
40. 40.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi smart plug (c) a smart energy meter (d) a battery torch

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