Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 832 · 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 is the odd one out? (a) a fitness band with app (b) an app-controlled bulb (c) a plain wall switch (d) a smart energy meter
2. 2.Which of these is not an IoT device? (a) a smart energy meter (b) an app-controlled bulb (c) a plain wall switch (d) a Wi-Fi weather station
3. 3.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the board reads it”? (a) the board reads it (b) the sensor measures
4. 4.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 8 minutes?
5. 5.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a plain wall switch (c) a battery torch (d) a paper calendar
6. 6.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 100 readings take?
7. 7.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) an app-controlled bulb (c) a Wi-Fi doorbell camera (d) a wind-up clock
8. 8.What does the sensor do? (a) measures the real world (b) reads values, decides (c) carries the data (d) shows data to you
9. 9.🌐 What does IoT stand for? (a) Input of Tools (b) Internet of Talk (c) Inside of Toys (d) Internet of Things
10. 10.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 10 minutes?
11. 11.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
12. 12.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the app shows it (b) the cloud stores it (c) it is sent by Wi-Fi (d) the sensor measures
13. 13.🌐 In an IoT system, which part carries the data? (a) cloud server (b) microcontroller (c) actuator (d) Wi-Fi
14. 14.What does the actuator do? (a) measures the real world (b) acts on a command (c) carries the data (d) stores data online
15. 15.🌐 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
16. 16.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 180 readings take?
17. 17.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
18. 18.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a fitness band with app (c) a paper calendar (d) a Wi-Fi doorbell camera
19. 19.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a plain table fan (d) a Wi-Fi weather station
20. 20.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 5 minutes?
21. 21.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 190 readings take?
22. 22.🔍 Which is the odd one out? (a) a plain wall switch (b) a Wi-Fi doorbell camera (c) a paper calendar (d) a pencil sharpener
23. 23.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
24. 24.🔢 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 board reads it (d) the app shows it
25. 25.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
26. 26.🔍 Which is the odd one out? (a) a wind-up clock (b) a battery torch (c) a plain table fan (d) a Wi-Fi smart plug
27. 27.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
28. 28.🔍 Which is the odd one out? (a) a plain table fan (b) a battery torch (c) a plain wall switch (d) a fitness band with app
29. 29.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 5 hours?
30. 30.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
31. 31.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
32. 32.Which of these is an IoT device? (a) a paper calendar (b) an app-controlled bulb (c) a plain wall switch (d) a pencil sharpener
33. 33.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the cloud stores it (b) the app shows it (c) the sensor measures (d) the board reads it
34. 34.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 100 readings take?
35. 35.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi weather station (c) a wind-up clock (d) a Wi-Fi smart plug
36. 36.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 9 minutes?
37. 37.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 3 minutes?
38. 38.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the app shows it (b) the cloud stores it (c) the board reads it (d) the sensor measures
39. 39.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 9 minutes?
40. 40.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device

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