Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 709 · 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 IoT stand for? (a) Internet of Talk (b) Input of Tools (c) Internet of Things (d) Inside of Toys
2. 2.🔍 Which is the odd one out? (a) a pencil sharpener (b) a smart energy meter (c) a wind-up clock (d) a paper calendar
3. 3.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
4. 4.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
5. 5.🔍 Which is the odd one out? (a) a smart energy meter (b) a fitness band with app (c) a battery torch (d) a Wi-Fi doorbell camera
6. 6.🔍 Which is the odd one out? (a) a wind-up clock (b) a pencil sharpener (c) a Wi-Fi smart plug (d) a plain table fan
7. 7.Which of these is an IoT device? (a) a pencil sharpener (b) a wind-up clock (c) a paper calendar (d) a Wi-Fi smart plug
8. 8.🌐 Is a paper calendar an IoT device? (a) not an IoT device (b) an IoT device
9. 9.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
10. 10.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the sensor measures (b) the cloud stores it (c) it is sent by Wi-Fi (d) the app shows it
11. 11.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
12. 12.What does the cloud server do? (a) measures the real world (b) stores data online (c) shows data to you (d) acts on a command
13. 13.What does the phone app do? (a) shows data to you (b) measures the real world (c) reads values, decides (d) carries the data
14. 14.🔢 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
15. 15.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 1 minute?
16. 16.🔍 Which is the odd one out? (a) a plain table fan (b) a plain wall switch (c) a fitness band with app (d) a wind-up clock
17. 17.What does the sensor do? (a) measures the real world (b) shows data to you (c) carries the data (d) acts on a command
18. 18.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 60 readings take?
19. 19.🔍 Which is the odd one out? (a) a fitness band with app (b) a smart energy meter (c) a Wi-Fi doorbell camera (d) a wind-up clock
20. 20.🌐 In an IoT system, which part acts on a command? (a) actuator (b) phone app (c) microcontroller (d) cloud server
21. 21.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the sensor measures (b) the board reads it (c) it is sent by Wi-Fi (d) the cloud stores it
22. 22.What does the microcontroller do? (a) shows data to you (b) measures the real world (c) acts on a command (d) reads values, decides
23. 23.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 3 minutes?
24. 24.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi smart plug (c) a paper calendar (d) a Wi-Fi doorbell camera
25. 25.🌐 In an IoT system, which part shows data to you? (a) sensor (b) actuator (c) cloud server (d) phone app
26. 26.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 1 minute?
27. 27.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) through a candle (c) over Wi-Fi (d) by post
28. 28.Which of these is not an IoT device? (a) an app-controlled bulb (b) a plain wall switch (c) a Wi-Fi smart plug (d) a fitness band with app
29. 29.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a Wi-Fi doorbell camera (c) a plain table fan (d) an app-controlled bulb
30. 30.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
31. 31.🏠 Which is a smart-home example? (a) a printed map (b) a hand fan (c) a candle in a jar (d) lights on from an app
32. 32.What does the Wi-Fi link do? (a) measures the real world (b) acts on a command (c) carries the data (d) stores data online
33. 33.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 160 readings take?
34. 34.What does the actuator do? (a) reads values, decides (b) acts on a command (c) carries the data (d) measures the real world
35. 35.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a Wi-Fi weather station (c) a plain wall switch (d) a Wi-Fi doorbell camera
36. 36.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 6 hours?
37. 37.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
38. 38.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
39. 39.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the board reads it”? (a) the sensor measures (b) the board reads it
40. 40.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?

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