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Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 526 · 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 wind-up clock an IoT device? (a) not an IoT device (b) an IoT device
  2. 2.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 6 hours?
  3. 3.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 1 hour?
  4. 4.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the cloud stores it (b) the sensor measures (c) the app shows it (d) the board reads it
  5. 5.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
  6. 6.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Things (c) Internet of Talk (d) Input of Tools
  7. 7.🌐 In an IoT system, which part carries the data? (a) phone app (b) sensor (c) cloud server (d) Wi-Fi
  8. 8.Which of these is not an IoT device? (a) a smart energy meter (b) a wind-up clock (c) a Wi-Fi doorbell camera (d) a fitness band with app
  9. 9.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
  10. 10.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a paper calendar (c) a Wi-Fi smart plug (d) an app-controlled bulb
  11. 11.Which of these is an IoT device? (a) a paper calendar (b) a plain wall switch (c) a Wi-Fi weather station (d) a battery torch
  12. 12.🌐 In an IoT system, which part shows data to you? (a) microcontroller (b) phone app (c) sensor (d) cloud server
  13. 13.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 100 readings take?
  14. 14.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 2 hours?
  15. 15.What does the actuator do? (a) stores data online (b) shows data to you (c) carries the data (d) acts on a command
  16. 16.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?
  17. 17.What does the Wi-Fi link do? (a) carries the data (b) measures the real world (c) acts on a command (d) stores data online
  18. 18.🌐 Is a fitness band with app an IoT device? (a) not an IoT device (b) an IoT device
  19. 19.🌐 Is a plain table fan an IoT device? (a) an IoT device (b) not an IoT device
  20. 20.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 4 minutes?
  21. 21.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the app shows it (b) it is sent by Wi-Fi (c) the board reads it (d) the cloud stores it
  22. 22.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “it is sent by Wi-Fi”? (a) the app shows it (b) it is sent by Wi-Fi
  23. 23.Which of these is not an IoT device? (a) a smart energy meter (b) a pencil sharpener (c) a Wi-Fi weather station (d) a Wi-Fi smart plug
  24. 24.Which of these is not an IoT device? (a) a smart energy meter (b) a plain wall switch (c) an app-controlled bulb (d) a fitness band with app
  25. 25.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 70 readings take?
  26. 26.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 2 minutes?
  27. 27.🔍 Which is the odd one out? (a) a fitness band with app (b) a wind-up clock (c) a Wi-Fi smart plug (d) an app-controlled bulb
  28. 28.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
  29. 29.🔍 Which is the odd one out? (a) a wind-up clock (b) a plain table fan (c) a pencil sharpener (d) a Wi-Fi doorbell camera
  30. 30.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) over Wi-Fi (c) by shouting (d) through a candle
  31. 31.Which of these is an IoT device? (a) a paper calendar (b) a wind-up clock (c) a pencil sharpener (d) a Wi-Fi smart plug
  32. 32.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 50 readings take?
  33. 33.🌐 In an IoT system, which part stores data online? (a) phone app (b) Wi-Fi (c) cloud server (d) actuator
  34. 34.🌐 In an IoT system, which part acts on a command? (a) phone app (b) cloud server (c) actuator (d) Wi-Fi
  35. 35.🔍 Which is the odd one out? (a) a plain table fan (b) a pencil sharpener (c) a plain wall switch (d) a fitness band with app
  36. 36.🔍 Which is the odd one out? (a) a plain wall switch (b) a Wi-Fi smart plug (c) a plain table fan (d) a battery torch
  37. 37.What does the sensor do? (a) reads values, decides (b) stores data online (c) carries the data (d) measures the real world
  38. 38.🏠 Which is a smart-home example? (a) a candle in a jar (b) a hand fan (c) a printed map (d) lights on from an app
  39. 39.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 5 minutes?
  40. 40.🌐 In an IoT system, which part measures the real world? (a) phone app (b) sensor (c) actuator (d) cloud server

Answer key

  1. not an IoT device
  2. 36
  3. 3
  4. the sensor measures
  5. not an IoT device
  6. Internet of Things
  7. Wi-Fi
  8. a wind-up clock
  9. not an IoT device
  10. a paper calendar
  11. a Wi-Fi weather station
  12. phone app
  13. 2000
  14. 6
  15. acts on a command
  16. 12
  17. carries the data
  18. an IoT device
  19. not an IoT device
  20. 48
  21. the app shows it
  22. it is sent by Wi-Fi
  23. a pencil sharpener
  24. a plain wall switch
  25. 1750
  26. 6
  27. a wind-up clock
  28. an IoT device
  29. a Wi-Fi doorbell camera
  30. over Wi-Fi
  31. a Wi-Fi smart plug
  32. 500
  33. cloud server
  34. actuator
  35. a fitness band with app
  36. a Wi-Fi smart plug
  37. measures the real world
  38. lights on from an app
  39. 5
  40. sensor

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