Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 194 · 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.Which of these is an IoT device? (a) a paper calendar (b) a smart energy meter (c) a plain table fan (d) a wind-up clock
2. 2.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a pencil sharpener (d) a smart energy meter
3. 3.🌐 In an IoT system, which part acts on a command? (a) sensor (b) cloud server (c) actuator (d) Wi-Fi
4. 4.🌐 What does IoT stand for? (a) Inside of Toys (b) Input of Tools (c) Internet of Talk (d) Internet of Things
5. 5.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the cloud stores it (b) the app shows it (c) the board reads it (d) it is sent by Wi-Fi
6. 6.What does the cloud server do? (a) carries the data (b) stores data online (c) reads values, decides (d) measures the real world
7. 7.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
8. 8.🔍 Which is the odd one out? (a) a wind-up clock (b) a plain table fan (c) a battery torch (d) a Wi-Fi smart plug
9. 9.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 1 hour?
10. 10.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 2 hours?
11. 11.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 7 minutes?
12. 12.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 1 minute?
13. 13.🔍 Which is the odd one out? (a) a paper calendar (b) a wind-up clock (c) a plain wall switch (d) a smart energy meter
14. 14.🏠 Which is a smart-home example? (a) lights on from an app (b) a printed map (c) a hand fan (d) a candle in a jar
15. 15.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 smart energy meter
16. 16.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
17. 17.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
18. 18.🔍 Which is the odd one out? (a) a smart energy meter (b) a Wi-Fi weather station (c) a fitness band with app (d) a plain wall switch
19. 19.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 1 hour?
20. 20.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) by post (c) over Wi-Fi (d) through a candle
21. 21.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 3 hours?
22. 22.🌐 In an IoT system, which part reads values, decides? (a) microcontroller (b) phone app (c) actuator (d) cloud server
23. 23.What does the microcontroller do? (a) shows data to you (b) reads values, decides (c) stores data online (d) carries the data
24. 24.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 60 readings take?
25. 25.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi doorbell camera (c) a wind-up clock (d) a Wi-Fi smart plug
26. 26.🌐 In an IoT system, which part shows data to you? (a) actuator (b) sensor (c) Wi-Fi (d) phone app
27. 27.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a fitness band with app (c) a pencil sharpener (d) an app-controlled bulb
28. 28.Which of these is an IoT device? (a) an app-controlled bulb (b) a wind-up clock (c) a plain table fan (d) a plain wall switch
29. 29.🔍 Which is the odd one out? (a) a battery torch (b) a fitness band with app (c) a paper calendar (d) a pencil sharpener
30. 30.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
31. 31.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 80 readings take?
32. 32.What does the sensor do? (a) reads values, decides (b) acts on a command (c) measures the real world (d) stores data online
33. 33.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 110 readings take?
34. 34.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the sensor measures (b) it is sent by Wi-Fi (c) the cloud stores it (d) the board reads it
35. 35.🔍 Which is the odd one out? (a) a fitness band with app (b) a paper calendar (c) a Wi-Fi doorbell camera (d) a Wi-Fi weather station
36. 36.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 100 readings take?
37. 37.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device
38. 38.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a plain table fan (c) a Wi-Fi smart plug (d) an app-controlled bulb
39. 39.🔍 Which is the odd one out? (a) a wind-up clock (b) a battery torch (c) an app-controlled bulb (d) a pencil sharpener
40. 40.🔢 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

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