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Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 468 · 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.What does the actuator do? (a) reads values, decides (b) acts on a command (c) shows data to you (d) carries the data
  2. 2.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 2 minutes?
  3. 3.Which of these is not an IoT device? (a) a smart energy meter (b) a paper calendar (c) a Wi-Fi doorbell camera (d) a Wi-Fi smart plug
  4. 4.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 3 hours?
  5. 5.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the app shows it (b) the sensor measures (c) the cloud stores it (d) the board reads it
  6. 6.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 5 hours?
  7. 7.🌐 Is a paper calendar an IoT device? (a) not an IoT device (b) an IoT device
  8. 8.🌐 In an IoT system, which part measures the real world? (a) actuator (b) sensor (c) microcontroller (d) cloud server
  9. 9.🔍 Which is the odd one out? (a) a pencil sharpener (b) a Wi-Fi smart plug (c) a paper calendar (d) a plain table fan
  10. 10.What does the Wi-Fi link do? (a) acts on a command (b) shows data to you (c) carries the data (d) reads values, decides
  11. 11.🌐 What does IoT stand for? (a) Internet of Talk (b) Inside of Toys (c) Input of Tools (d) Internet of Things
  12. 12.Which of these is not an IoT device? (a) a Wi-Fi weather station (b) a smart energy meter (c) a fitness band with app (d) a plain table fan
  13. 13.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a battery torch (c) an app-controlled bulb (d) a Wi-Fi weather station
  14. 14.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
  15. 15.What does the sensor do? (a) carries the data (b) reads values, decides (c) acts on a command (d) measures the real world
  16. 16.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?
  17. 17.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 2 hours?
  18. 18.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
  19. 19.🌐 In an IoT system, which part stores data online? (a) cloud server (b) sensor (c) actuator (d) phone app
  20. 20.What does the microcontroller do? (a) carries the data (b) reads values, decides (c) acts on a command (d) measures the real world
  21. 21.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the cloud stores it (b) the app shows it (c) the board reads it (d) it is sent by Wi-Fi
  22. 22.🌐 In an IoT system, which part acts on a command? (a) Wi-Fi (b) microcontroller (c) actuator (d) phone app
  23. 23.🌐 How does a home IoT device usually send its data to the app? (a) over Wi-Fi (b) by shouting (c) through a candle (d) by post
  24. 24.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a paper calendar (c) a Wi-Fi smart plug (d) a Wi-Fi weather station
  25. 25.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 1 minute?
  26. 26.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 6 minutes?
  27. 27.🔍 Which is the odd one out? (a) a fitness band with app (b) a wind-up clock (c) an app-controlled bulb (d) a Wi-Fi doorbell camera
  28. 28.🌐 Is an app-controlled bulb an IoT device? (a) an IoT device (b) not an IoT device
  29. 29.Which of these is an IoT device? (a) a Wi-Fi smart plug (b) a plain table fan (c) a wind-up clock (d) a paper calendar
  30. 30.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
  31. 31.🌐 Is a pencil sharpener an IoT device? (a) an IoT device (b) not an IoT device
  32. 32.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 5 hours?
  33. 33.What does the phone app do? (a) shows data to you (b) carries the data (c) stores data online (d) reads values, decides
  34. 34.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the app shows it (b) the sensor measures (c) it is sent by Wi-Fi (d) the board reads it
  35. 35.Which of these is an IoT device? (a) a Wi-Fi weather station (b) a plain table fan (c) a battery torch (d) a plain wall switch
  36. 36.🌐 In an IoT system, which part shows data to you? (a) cloud server (b) phone app (c) sensor (d) actuator
  37. 37.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 2 minutes?
  38. 38.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 2 minutes?
  39. 39.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 190 readings take?
  40. 40.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device

Answer key

  1. acts on a command
  2. 24
  3. a paper calendar
  4. 18
  5. the app shows it
  6. 15
  7. not an IoT device
  8. sensor
  9. a Wi-Fi smart plug
  10. carries the data
  11. Internet of Things
  12. a plain table fan
  13. a battery torch
  14. not an IoT device
  15. measures the real world
  16. 30
  17. 4
  18. an IoT device
  19. cloud server
  20. reads values, decides
  21. the board reads it
  22. actuator
  23. over Wi-Fi
  24. a paper calendar
  25. 12
  26. 72
  27. a wind-up clock
  28. an IoT device
  29. a Wi-Fi smart plug
  30. an IoT device
  31. not an IoT device
  32. 60
  33. shows data to you
  34. the sensor measures
  35. a Wi-Fi weather station
  36. phone app
  37. 8
  38. 4
  39. 1900
  40. an IoT device

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