Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 894 · 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 plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
2. 2.What does the phone app do? (a) measures the real world (b) shows data to you (c) reads values, decides (d) stores data online
3. 3.What does the microcontroller do? (a) shows data to you (b) carries the data (c) stores data online (d) reads values, decides
4. 4.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi doorbell camera (c) a plain wall switch (d) a Wi-Fi weather station
5. 5.🌐 In an IoT system, which part stores data online? (a) microcontroller (b) cloud server (c) actuator (d) sensor
6. 6.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 8 minutes?
7. 7.🌐 In an IoT system, which part measures the real world? (a) actuator (b) sensor (c) microcontroller (d) Wi-Fi
8. 8.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the app shows it (b) the cloud stores it (c) the board reads it (d) the sensor measures
9. 9.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the board reads it (b) the cloud stores it (c) the sensor measures (d) the app shows it
10. 10.🌐 Is a Wi-Fi smart plug an IoT device? (a) not an IoT device (b) an IoT device
11. 11.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) it is sent by Wi-Fi (b) the app shows it (c) the board reads it (d) the sensor measures
12. 12.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 150 readings take?
13. 13.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 5 minutes?
14. 14.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 6 hours?
15. 15.Which of these is not an IoT device? (a) a plain table fan (b) a fitness band with app (c) a Wi-Fi smart plug (d) a smart energy meter
16. 16.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
17. 17.Which of these is an IoT device? (a) a plain table fan (b) a pencil sharpener (c) a fitness band with app (d) a plain wall switch
18. 18.Which of these is an IoT device? (a) a plain wall switch (b) a paper calendar (c) an app-controlled bulb (d) a battery torch
19. 19.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the cloud stores it (b) the board reads it (c) it is sent by Wi-Fi (d) the app shows it
20. 20.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) an app-controlled bulb (c) a Wi-Fi weather station (d) a plain wall switch
21. 21.What does the actuator do? (a) acts on a command (b) shows data to you (c) carries the data (d) measures the real world
22. 22.🌐 In an IoT system, which part carries the data? (a) microcontroller (b) Wi-Fi (c) actuator (d) cloud server
23. 23.🌐 In an IoT system, which part reads values, decides? (a) cloud server (b) microcontroller (c) Wi-Fi (d) actuator
24. 24.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
25. 25.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 5 minutes?
26. 26.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 7 minutes?
27. 27.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
28. 28.🔍 Which is the odd one out? (a) a pencil sharpener (b) a battery torch (c) a paper calendar (d) a Wi-Fi doorbell camera
29. 29.🌐 In an IoT system, which part shows data to you? (a) actuator (b) cloud server (c) phone app (d) sensor
30. 30.Which of these is an IoT device? (a) a plain table fan (b) a paper calendar (c) a wind-up clock (d) a Wi-Fi weather station
31. 31.What does the sensor do? (a) shows data to you (b) stores data online (c) acts on a command (d) measures the real world
32. 32.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
33. 33.🌐 What does IoT stand for? (a) Input of Tools (b) Inside of Toys (c) Internet of Talk (d) Internet of Things
34. 34.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a pencil sharpener (c) a plain table fan (d) a battery torch
35. 35.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
36. 36.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 90 readings take?
37. 37.🔍 Which is the odd one out? (a) a pencil sharpener (b) a plain table fan (c) a fitness band with app (d) a paper calendar
38. 38.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 190 readings take?
39. 39.Which of these is not an IoT device? (a) a smart energy meter (b) a Wi-Fi smart plug (c) a paper calendar (d) an app-controlled bulb
40. 40.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the board reads it (b) the sensor measures (c) the app shows it (d) it is sent by Wi-Fi

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