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Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 383 · 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 Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
  2. 2.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the app shows it”? (a) the app shows it (b) the sensor measures
  3. 3.What does the actuator do? (a) measures the real world (b) carries the data (c) stores data online (d) acts on a command
  4. 4.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 30 readings take?
  5. 5.🌐 In an IoT system, which part measures the real world? (a) phone app (b) actuator (c) sensor (d) cloud server
  6. 6.🌐 What does IoT stand for? (a) Inside of Toys (b) Internet of Things (c) Input of Tools (d) Internet of Talk
  7. 7.🔍 Which is the odd one out? (a) a Wi-Fi weather station (b) a wind-up clock (c) a fitness band with app (d) a Wi-Fi doorbell camera
  8. 8.🔍 Which is the odd one out? (a) a fitness band with app (b) a plain wall switch (c) a paper calendar (d) a pencil sharpener
  9. 9.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 3 hours?
  10. 10.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 4 hours?
  11. 11.Which of these is an IoT device? (a) a plain table fan (b) a plain wall switch (c) a fitness band with app (d) a battery torch
  12. 12.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 1 hour?
  13. 13.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 9 minutes?
  14. 14.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 7 minutes?
  15. 15.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 180 readings take?
  16. 16.Which of these is an IoT device? (a) a battery torch (b) a wind-up clock (c) a plain wall switch (d) a Wi-Fi smart plug
  17. 17.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 30 readings take?
  18. 18.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 7 minutes?
  19. 19.🌐 Is a Wi-Fi weather station an IoT device? (a) an IoT device (b) not an IoT device
  20. 20.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?
  21. 21.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 6 hours?
  22. 22.🌐 In an IoT system, which part reads values, decides? (a) actuator (b) Wi-Fi (c) microcontroller (d) phone app
  23. 23.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a smart energy meter (c) a plain wall switch (d) a fitness band with app
  24. 24.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
  25. 25.🏠 Which is a smart-home example? (a) a printed map (b) a hand fan (c) lights on from an app (d) a candle in a jar
  26. 26.🔍 Which is the odd one out? (a) a wind-up clock (b) a battery torch (c) a Wi-Fi weather station (d) a paper calendar
  27. 27.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
  28. 28.🌐 A soil sensor sends a reading to an app every 5 minutes. How many readings arrive in 5 hours?
  29. 29.🌐 In an IoT system, which part shows data to you? (a) Wi-Fi (b) phone app (c) cloud server (d) actuator
  30. 30.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 8 minutes?
  31. 31.Which of these is not an IoT device? (a) a fitness band with app (b) a plain table fan (c) a Wi-Fi weather station (d) an app-controlled bulb
  32. 32.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 4 hours?
  33. 33.Which of these is an IoT device? (a) an app-controlled bulb (b) a wind-up clock (c) a battery torch (d) a paper calendar
  34. 34.🔍 Which is the odd one out? (a) a plain table fan (b) a pencil sharpener (c) a Wi-Fi smart plug (d) a plain wall switch
  35. 35.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
  36. 36.🌐 In an IoT system, which part stores data online? (a) actuator (b) Wi-Fi (c) cloud server (d) sensor
  37. 37.🔢 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 app shows it (d) the sensor measures
  38. 38.🌐 A soil sensor sends a reading to an app every 30 minutes. How many readings arrive in 3 hours?
  39. 39.🔍 Which is the odd one out? (a) a battery torch (b) a smart energy meter (c) a paper calendar (d) a pencil sharpener
  40. 40.Which of these is not an IoT device? (a) a battery torch (b) a smart energy meter (c) a Wi-Fi smart plug (d) an app-controlled bulb

Answer key

  1. an IoT device
  2. the sensor measures
  3. acts on a command
  4. 300
  5. sensor
  6. Internet of Things
  7. a wind-up clock
  8. a fitness band with app
  9. 36
  10. 16
  11. a fitness band with app
  12. 2
  13. 27
  14. 7
  15. 1800
  16. a Wi-Fi smart plug
  17. 750
  18. 42
  19. an IoT device
  20. 12
  21. 36
  22. microcontroller
  23. a plain wall switch
  24. an IoT device
  25. lights on from an app
  26. a Wi-Fi weather station
  27. an IoT device
  28. 60
  29. phone app
  30. 48
  31. a plain table fan
  32. 12
  33. an app-controlled bulb
  34. a Wi-Fi smart plug
  35. not an IoT device
  36. cloud server
  37. the app shows it
  38. 6
  39. a smart energy meter
  40. a battery torch

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