Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 353 · 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 paper calendar an IoT device? (a) not an IoT device (b) an IoT device
2. 2.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Talk (c) Input of Tools (d) Internet of Things
3. 3.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a plain wall switch (c) an app-controlled bulb (d) a Wi-Fi doorbell camera
4. 4.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a plain table fan (c) an app-controlled bulb (d) a fitness band with app
5. 5.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 70 readings take?
6. 6.🔢 To get a sensor reading onto a phone, which comes first: “the cloud stores it” or “the board reads it”? (a) the cloud stores it (b) the board reads it
7. 7.What does the Wi-Fi link do? (a) carries the data (b) acts on a command (c) shows data to you (d) measures the real world
8. 8.What does the actuator do? (a) measures the real world (b) reads values, decides (c) acts on a command (d) stores data online
9. 9.🌐 How does a home IoT device usually send its data to the app? (a) through a candle (b) by post (c) over Wi-Fi (d) by shouting
10. 10.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the sensor measures (b) the cloud stores it (c) the app shows it (d) it is sent by Wi-Fi
11. 11.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a fitness band with app (d) a battery torch
12. 12.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
13. 13.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 6 hours?
14. 14.🏠 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
15. 15.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 4 hours?
16. 16.🌐 In an IoT system, which part carries the data? (a) actuator (b) microcontroller (c) cloud server (d) Wi-Fi
17. 17.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the board reads it (b) it is sent by Wi-Fi (c) the sensor measures (d) the cloud stores it
18. 18.🌐 In an IoT system, which part measures the real world? (a) sensor (b) microcontroller (c) phone app (d) actuator
19. 19.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
20. 20.🔍 Which is the odd one out? (a) a fitness band with app (b) a plain table fan (c) a Wi-Fi smart plug (d) a smart energy meter
21. 21.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
22. 22.🌐 In an IoT system, which part shows data to you? (a) sensor (b) actuator (c) microcontroller (d) phone app
23. 23.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 9 minutes?
24. 24.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a plain wall switch (c) a wind-up clock (d) a battery torch
25. 25.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 90 readings take?
26. 26.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 2 minutes?
27. 27.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 170 readings take?
28. 28.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
29. 29.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a wind-up clock (c) a paper calendar (d) a plain wall switch
30. 30.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a pencil sharpener (c) a smart energy meter (d) an app-controlled bulb
31. 31.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the cloud stores it”? (a) the cloud stores it (b) the sensor measures
32. 32.🔍 Which is the odd one out? (a) a plain wall switch (b) a paper calendar (c) a battery torch (d) a Wi-Fi weather station
33. 33.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 20 readings take?
34. 34.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
35. 35.Which of these is an IoT device? (a) an app-controlled bulb (b) a battery torch (c) a plain wall switch (d) a paper calendar
36. 36.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 3 minutes?
37. 37.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 3 minutes?
38. 38.Which of these is an IoT device? (a) a fitness band with app (b) a battery torch (c) a pencil sharpener (d) a wind-up clock
39. 39.🌐 In an IoT system, which part acts on a command? (a) actuator (b) phone app (c) microcontroller (d) Wi-Fi
40. 40.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device

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