Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 188 · 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 Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
2. 2.What does the phone app do? (a) stores data online (b) reads values, decides (c) shows data to you (d) carries the data
3. 3.🔍 Which is the odd one out? (a) a battery torch (b) a fitness band with app (c) a paper calendar (d) a plain wall switch
4. 4.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 100 readings take?
5. 5.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 2 hours?
6. 6.Which of these is not an IoT device? (a) a pencil sharpener (b) a Wi-Fi doorbell camera (c) a smart energy meter (d) a Wi-Fi smart plug
7. 7.What does the microcontroller do? (a) measures the real world (b) shows data to you (c) reads values, decides (d) acts on a command
8. 8.🔍 Which is the odd one out? (a) a plain table fan (b) a paper calendar (c) a Wi-Fi weather station (d) a plain wall switch
9. 9.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 6 hours?
10. 10.🌐 What does IoT stand for? (a) Internet of Things (b) Input of Tools (c) Inside of Toys (d) Internet of Talk
11. 11.Which of these is an IoT device? (a) a fitness band with app (b) a wind-up clock (c) a plain wall switch (d) a paper calendar
12. 12.🌐 In an IoT system, which part reads values, decides? (a) phone app (b) microcontroller (c) actuator (d) Wi-Fi
13. 13.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 1 minute?
14. 14.Which of these is an IoT device? (a) a Wi-Fi doorbell camera (b) a paper calendar (c) a plain table fan (d) a plain wall switch
15. 15.🌐 In an IoT system, which part shows data to you? (a) Wi-Fi (b) phone app (c) actuator (d) sensor
16. 16.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a fitness band with app (d) a plain table fan
17. 17.What does the sensor do? (a) reads values, decides (b) carries the data (c) acts on a command (d) measures the real world
18. 18.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the board reads it (b) it is sent by Wi-Fi (c) the cloud stores it (d) the app shows it
19. 19.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
20. 20.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 5 minutes?
21. 21.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 2 hours?
22. 22.What does the cloud server do? (a) measures the real world (b) carries the data (c) stores data online (d) reads values, decides
23. 23.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a battery torch (c) a Wi-Fi smart plug (d) an app-controlled bulb
24. 24.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 190 readings take?
25. 25.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
26. 26.Which of these is an IoT device? (a) a wind-up clock (b) a Wi-Fi weather station (c) a plain wall switch (d) a pencil sharpener
27. 27.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
28. 28.Which of these is not an IoT device? (a) an app-controlled bulb (b) a wind-up clock (c) a fitness band with app (d) a Wi-Fi weather station
29. 29.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 160 readings take?
30. 30.🔍 Which is the odd one out? (a) a wind-up clock (b) an app-controlled bulb (c) a fitness band with app (d) a smart energy meter
31. 31.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 3 hours?
32. 32.🔍 Which is the odd one out? (a) a battery torch (b) a plain wall switch (c) a Wi-Fi doorbell camera (d) a wind-up clock
33. 33.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the sensor measures”? (a) the sensor measures (b) it is sent by Wi-Fi
34. 34.Which of these is an IoT device? (a) a smart energy meter (b) a wind-up clock (c) a plain table fan (d) a battery torch
35. 35.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 150 readings take?
36. 36.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
37. 37.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 4 hours?
38. 38.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 2 minutes?
39. 39.🌐 In an IoT system, which part stores data online? (a) cloud server (b) sensor (c) phone app (d) microcontroller
40. 40.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 7 minutes?

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