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Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 57 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
  2. 2.🌐 What does IoT stand for? (a) Internet of Things (b) Internet of Talk (c) Inside of Toys (d) Input of Tools
  3. 3.🔢 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
  4. 4.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 90 readings take?
  5. 5.🔍 Which is the odd one out? (a) a pencil sharpener (b) a Wi-Fi doorbell camera (c) a Wi-Fi weather station (d) an app-controlled bulb
  6. 6.🌐 In an IoT system, which part carries the data? (a) Wi-Fi (b) sensor (c) microcontroller (d) actuator
  7. 7.🔢 To get a sensor reading onto a phone, which comes first: “it is sent by Wi-Fi” or “the board reads it”? (a) it is sent by Wi-Fi (b) the board reads it
  8. 8.What does the sensor do? (a) acts on a command (b) measures the real world (c) stores data online (d) reads values, decides
  9. 9.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
  10. 10.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the cloud stores it”? (a) the sensor measures (b) the cloud stores it
  11. 11.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 3 minutes?
  12. 12.🔍 Which is the odd one out? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) a plain wall switch (d) a Wi-Fi weather station
  13. 13.🔢 To get a sensor reading onto a phone, what comes right after “it is sent by Wi-Fi”? (a) the sensor measures (b) the board reads it (c) the app shows it (d) the cloud stores it
  14. 14.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
  15. 15.What does the Wi-Fi link do? (a) reads values, decides (b) measures the real world (c) carries the data (d) shows data to you
  16. 16.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a pencil sharpener (d) a Wi-Fi weather station
  17. 17.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
  18. 18.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a wind-up clock (c) a Wi-Fi weather station (d) an app-controlled bulb
  19. 19.Which of these is an IoT device? (a) a paper calendar (b) a plain wall switch (c) a smart energy meter (d) a battery torch
  20. 20.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 2 minutes?
  21. 21.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 1 hour?
  22. 22.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
  23. 23.🏠 Which is a smart-home example? (a) a hand fan (b) a candle in a jar (c) a printed map (d) lights on from an app
  24. 24.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 4 hours?
  25. 25.Which of these is an IoT device? (a) a Wi-Fi weather station (b) a paper calendar (c) a battery torch (d) a wind-up clock
  26. 26.🌐 In an IoT system, which part measures the real world? (a) Wi-Fi (b) sensor (c) microcontroller (d) actuator
  27. 27.Which of these is not an IoT device? (a) a plain table fan (b) a smart energy meter (c) a Wi-Fi smart plug (d) a fitness band with app
  28. 28.🔢 To get a sensor reading onto a phone, what comes right after “the cloud stores it”? (a) the app shows it (b) the board reads it (c) it is sent by Wi-Fi (d) the sensor measures
  29. 29.🔍 Which is the odd one out? (a) a wind-up clock (b) a smart energy meter (c) a paper calendar (d) a battery torch
  30. 30.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
  31. 31.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 5 hours?
  32. 32.Which of these is an IoT device? (a) a pencil sharpener (b) a paper calendar (c) a battery torch (d) a fitness band with app
  33. 33.🔍 Which is the odd one out? (a) a fitness band with app (b) an app-controlled bulb (c) a wind-up clock (d) a Wi-Fi doorbell camera
  34. 34.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a pencil sharpener (c) a paper calendar (d) a plain table fan
  35. 35.🌐 Is a pencil sharpener an IoT device? (a) not an IoT device (b) an IoT device
  36. 36.What does the actuator do? (a) acts on a command (b) carries the data (c) reads values, decides (d) measures the real world
  37. 37.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 110 readings take?
  38. 38.What does the microcontroller do? (a) carries the data (b) reads values, decides (c) acts on a command (d) measures the real world
  39. 39.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
  40. 40.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?

Answer key

  1. not an IoT device
  2. Internet of Things
  3. the cloud stores it
  4. 2250
  5. a pencil sharpener
  6. Wi-Fi
  7. the board reads it
  8. measures the real world
  9. an IoT device
  10. the sensor measures
  11. 3
  12. a plain wall switch
  13. the cloud stores it
  14. an IoT device
  15. carries the data
  16. a pencil sharpener
  17. an IoT device
  18. a wind-up clock
  19. a smart energy meter
  20. 2
  21. 4
  22. an IoT device
  23. lights on from an app
  24. 48
  25. a Wi-Fi weather station
  26. sensor
  27. a plain table fan
  28. the app shows it
  29. a smart energy meter
  30. an IoT device
  31. 10
  32. a fitness band with app
  33. a wind-up clock
  34. a Wi-Fi smart plug
  35. not an IoT device
  36. acts on a command
  37. 2200
  38. reads values, decides
  39. an IoT device
  40. 30

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