Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 335 · 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 the sensor do? (a) measures the real world (b) stores data online (c) shows data to you (d) carries the data
2. 2.What does the cloud server do? (a) acts on a command (b) stores data online (c) shows data to you (d) carries the data
3. 3.🌐 In an IoT system, which part shows data to you? (a) actuator (b) Wi-Fi (c) cloud server (d) phone app
4. 4.🌐 In an IoT system, which part acts on a command? (a) phone app (b) sensor (c) actuator (d) microcontroller
5. 5.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 3 hours?
6. 6.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the cloud stores it”? (a) the app shows it (b) the cloud stores it
7. 7.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 3 hours?
8. 8.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a Wi-Fi doorbell camera (c) a paper calendar (d) a smart energy meter
9. 9.🌐 In an IoT system, which part measures the real world? (a) phone app (b) sensor (c) microcontroller (d) actuator
10. 10.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) it is sent by Wi-Fi (b) the app shows it (c) the sensor measures (d) the cloud stores it
11. 11.🌐 In an IoT system, which part carries the data? (a) microcontroller (b) phone app (c) actuator (d) Wi-Fi
12. 12.🔍 Which is the odd one out? (a) a fitness band with app (b) a battery torch (c) an app-controlled bulb (d) a smart energy meter
13. 13.What does the microcontroller do? (a) stores data online (b) carries the data (c) shows data to you (d) reads values, decides
14. 14.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 130 readings take?
15. 15.🔍 Which is the odd one out? (a) a fitness band with app (b) a wind-up clock (c) a Wi-Fi smart plug (d) a Wi-Fi doorbell camera
16. 16.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
17. 17.Which of these is not an IoT device? (a) a fitness band with app (b) a plain table fan (c) a Wi-Fi doorbell camera (d) a smart energy meter
18. 18.🌐 In an IoT system, which part stores data online? (a) Wi-Fi (b) sensor (c) phone app (d) cloud server
19. 19.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 9 minutes?
20. 20.What does the phone app do? (a) stores data online (b) shows data to you (c) acts on a command (d) carries the data
21. 21.What does the Wi-Fi link do? (a) carries the data (b) shows data to you (c) stores data online (d) measures the real world
22. 22.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 120 readings take?
23. 23.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 50 readings take?
24. 24.🌐 In an IoT system, which part reads values, decides? (a) phone app (b) sensor (c) microcontroller (d) Wi-Fi
25. 25.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 1 minute?
26. 26.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 200 readings take?
27. 27.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 6 hours?
28. 28.Which of these is an IoT device? (a) a plain table fan (b) a wind-up clock (c) a pencil sharpener (d) a Wi-Fi doorbell camera
29. 29.Which of these is an IoT device? (a) a paper calendar (b) a battery torch (c) a pencil sharpener (d) a fitness band with app
30. 30.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
31. 31.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “the app shows it”? (a) the board reads it (b) the app shows it
32. 32.🔍 Which is the odd one out? (a) a smart energy meter (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a plain wall switch
33. 33.🌐 Each reading a sensor sends is 50 bytes. How many bytes do 110 readings take?
34. 34.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
35. 35.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 6 minutes?
36. 36.🌐 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
37. 37.🔍 Which is the odd one out? (a) a fitness band with app (b) a pencil sharpener (c) a Wi-Fi doorbell camera (d) a Wi-Fi smart plug
38. 38.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 2 minutes?
39. 39.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 6 minutes?
40. 40.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Talk (c) Input of Tools (d) Internet of Things

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