Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 848 · 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 battery torch (b) a Wi-Fi weather station (c) a fitness band with app (d) a smart energy meter
2. 2.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 1 minute?
3. 3.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
4. 4.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
5. 5.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
6. 6.🔢 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
7. 7.What does the microcontroller do? (a) measures the real world (b) reads values, decides (c) acts on a command (d) stores data online
8. 8.What does the sensor do? (a) carries the data (b) shows data to you (c) measures the real world (d) stores data online
9. 9.🌐 In an IoT system, which part acts on a command? (a) actuator (b) microcontroller (c) sensor (d) Wi-Fi
10. 10.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 5 hours?
11. 11.Which of these is an IoT device? (a) an app-controlled bulb (b) a wind-up clock (c) a plain table fan (d) a battery torch
12. 12.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a fitness band with app (c) a Wi-Fi doorbell camera (d) a wind-up clock
13. 13.🌐 Is a battery torch an IoT device? (a) an IoT device (b) not an IoT device
14. 14.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 1 minute?
15. 15.Which of these is not an IoT device? (a) an app-controlled bulb (b) a fitness band with app (c) a wind-up clock (d) a Wi-Fi weather station
16. 16.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 4 hours?
17. 17.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a smart energy meter (c) a plain wall switch (d) a fitness band with app
18. 18.What does the cloud server do? (a) measures the real world (b) carries the data (c) acts on a command (d) stores data online
19. 19.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 6 minutes?
20. 20.Which of these is an IoT device? (a) a smart energy meter (b) a plain table fan (c) a wind-up clock (d) a pencil sharpener
21. 21.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 10 minutes?
22. 22.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 1 minute?
23. 23.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) phone app (c) sensor (d) Wi-Fi
24. 24.🌐 What does IoT stand for? (a) Internet of Talk (b) Input of Tools (c) Internet of Things (d) Inside of Toys
25. 25.What does the actuator do? (a) acts on a command (b) shows data to you (c) stores data online (d) measures the real world
26. 26.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the sensor measures (b) the app shows it (c) the board reads it (d) the cloud stores it
27. 27.What does the Wi-Fi link do? (a) measures the real world (b) stores data online (c) carries the data (d) reads values, decides
28. 28.🔍 Which is the odd one out? (a) a plain table fan (b) a Wi-Fi weather station (c) a Wi-Fi smart plug (d) an app-controlled bulb
29. 29.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?
30. 30.Which of these is not an IoT device? (a) a battery torch (b) a smart energy meter (c) an app-controlled bulb (d) a Wi-Fi doorbell camera
31. 31.🏠 Which is a smart-home example? (a) lights on from an app (b) a printed map (c) a candle in a jar (d) a hand fan
32. 32.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
33. 33.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 110 readings take?
34. 34.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 3 minutes?
35. 35.🔍 Which is the odd one out? (a) a smart energy meter (b) a battery torch (c) a wind-up clock (d) a paper calendar
36. 36.🌐 In an IoT system, which part reads values, decides? (a) sensor (b) Wi-Fi (c) cloud server (d) microcontroller
37. 37.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
38. 38.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a battery torch (c) a pencil sharpener (d) a paper calendar
39. 39.🌐 In an IoT system, which part stores data online? (a) sensor (b) actuator (c) cloud server (d) Wi-Fi
40. 40.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 100 readings take?

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