Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 338 · 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 wind-up clock an IoT device? (a) an IoT device (b) not an IoT device
2. 2.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 5 hours?
3. 3.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a wind-up clock (c) a plain table fan (d) a pencil sharpener
4. 4.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain wall switch (c) a Wi-Fi weather station (d) a fitness band with app
5. 5.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 60 readings take?
6. 6.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
7. 7.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) sensor (c) Wi-Fi (d) phone app
8. 8.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
9. 9.🌐 In an IoT system, which part acts on a command? (a) Wi-Fi (b) actuator (c) cloud server (d) phone app
10. 10.🌐 What does IoT stand for? (a) Internet of Talk (b) Internet of Things (c) Inside of Toys (d) Input of Tools
11. 11.What does the sensor do? (a) shows data to you (b) measures the real world (c) stores data online (d) carries the data
12. 12.Which of these is an IoT device? (a) a paper calendar (b) a pencil sharpener (c) a plain wall switch (d) a Wi-Fi weather station
13. 13.🏠 Which is a smart-home example? (a) lights on from an app (b) a printed map (c) a candle in a jar (d) a hand fan
14. 14.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the board reads it”? (a) the board reads it (b) the app shows it
15. 15.🌐 In an IoT system, which part reads values, decides? (a) sensor (b) phone app (c) Wi-Fi (d) microcontroller
16. 16.🔍 Which is the odd one out? (a) a smart energy meter (b) a Wi-Fi weather station (c) a plain table fan (d) a fitness band with app
17. 17.Which of these is an IoT device? (a) a plain table fan (b) a fitness band with app (c) a battery torch (d) a pencil sharpener
18. 18.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the cloud stores it (b) the board reads it (c) the app shows it (d) the sensor measures
19. 19.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 110 readings take?
20. 20.Which of these is an IoT device? (a) a smart energy meter (b) a plain table fan (c) a wind-up clock (d) a plain wall switch
21. 21.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a Wi-Fi weather station (c) a battery torch (d) a Wi-Fi doorbell camera
22. 22.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 50 readings take?
23. 23.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 9 minutes?
24. 24.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
25. 25.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 180 readings take?
26. 26.What does the actuator do? (a) shows data to you (b) reads values, decides (c) acts on a command (d) stores data online
27. 27.🔍 Which is the odd one out? (a) a battery torch (b) a fitness band with app (c) a plain wall switch (d) a pencil sharpener
28. 28.What does the microcontroller do? (a) shows data to you (b) reads values, decides (c) measures the real world (d) carries the data
29. 29.🌐 How does a home IoT device usually send its data to the app? (a) over Wi-Fi (b) through a candle (c) by post (d) by shouting
30. 30.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 5 hours?
31. 31.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a Wi-Fi doorbell camera (c) a wind-up clock (d) a fitness band with app
32. 32.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the app shows it (b) the sensor measures (c) it is sent by Wi-Fi (d) the board reads it
33. 33.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 10 minutes?
34. 34.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 20 readings take?
35. 35.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 80 readings take?
36. 36.Which of these is an IoT device? (a) a paper calendar (b) a pencil sharpener (c) a Wi-Fi smart plug (d) a wind-up clock
37. 37.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 1 minute?
38. 38.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 140 readings take?
39. 39.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
40. 40.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the app shows it”? (a) the board reads it (b) the app shows it

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