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Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 242 · 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.Which of these is not an IoT device? (a) a Wi-Fi doorbell camera (b) a plain wall switch (c) a Wi-Fi weather station (d) a smart energy meter
  2. 2.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 4 hours?
  3. 3.🔍 Which is the odd one out? (a) a paper calendar (b) a plain table fan (c) a wind-up clock (d) a Wi-Fi weather station
  4. 4.🌐 A soil sensor sends a reading to an app every 20 minutes. How many readings arrive in 1 hour?
  5. 5.🔍 Which is the odd one out? (a) a paper calendar (b) a Wi-Fi weather station (c) a smart energy meter (d) a fitness band with app
  6. 6.Which of these is an IoT device? (a) a wind-up clock (b) a pencil sharpener (c) an app-controlled bulb (d) a battery torch
  7. 7.Which of these is an IoT device? (a) a wind-up clock (b) a battery torch (c) a plain wall switch (d) a Wi-Fi smart plug
  8. 8.🌐 In an IoT system, which part stores data online? (a) phone app (b) Wi-Fi (c) cloud server (d) sensor
  9. 9.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) it is sent by Wi-Fi (b) the board reads it (c) the sensor measures (d) the app shows it
  10. 10.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the sensor measures (b) it is sent by Wi-Fi (c) the cloud stores it (d) the app shows it
  11. 11.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 3 hours?
  12. 12.🌐 How does a home IoT device usually send its data to the app? (a) by shouting (b) by post (c) over Wi-Fi (d) through a candle
  13. 13.🌐 In an IoT system, which part carries the data? (a) cloud server (b) microcontroller (c) Wi-Fi (d) sensor
  14. 14.🔍 Which is the odd one out? (a) a battery torch (b) a plain wall switch (c) a Wi-Fi doorbell camera (d) a plain table fan
  15. 15.What does the Wi-Fi link do? (a) carries the data (b) reads values, decides (c) measures the real world (d) stores data online
  16. 16.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 60 readings take?
  17. 17.🌐 Is a plain table fan an IoT device? (a) not an IoT device (b) an IoT device
  18. 18.🌐 Is a smart energy meter an IoT device? (a) an IoT device (b) not an IoT device
  19. 19.Which of these is an IoT device? (a) a wind-up clock (b) a battery torch (c) a fitness band with app (d) a pencil sharpener
  20. 20.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 4 hours?
  21. 21.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
  22. 22.🌐 In an IoT system, which part acts on a command? (a) actuator (b) microcontroller (c) Wi-Fi (d) cloud server
  23. 23.🔍 Which is the odd one out? (a) a pencil sharpener (b) a plain wall switch (c) a paper calendar (d) an app-controlled bulb
  24. 24.🔍 Which is the odd one out? (a) a fitness band with app (b) a Wi-Fi doorbell camera (c) a pencil sharpener (d) a Wi-Fi smart plug
  25. 25.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 5 minutes?
  26. 26.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 60 readings take?
  27. 27.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 200 readings take?
  28. 28.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 10 minutes?
  29. 29.Which of these is an IoT device? (a) a plain table fan (b) a battery torch (c) a plain wall switch (d) a Wi-Fi weather station
  30. 30.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 70 readings take?
  31. 31.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a wind-up clock (c) a plain wall switch (d) a pencil sharpener
  32. 32.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
  33. 33.🌐 Each reading a sensor sends is 25 bytes. How many bytes do 130 readings take?
  34. 34.🔍 Which is the odd one out? (a) a fitness band with app (b) a battery torch (c) a Wi-Fi weather station (d) a Wi-Fi smart plug
  35. 35.Which of these is not an IoT device? (a) a plain table fan (b) an app-controlled bulb (c) a Wi-Fi smart plug (d) a fitness band with app
  36. 36.🌐 In an IoT system, which part measures the real world? (a) phone app (b) cloud server (c) sensor (d) actuator
  37. 37.🌐 What does IoT stand for? (a) Internet of Talk (b) Internet of Things (c) Input of Tools (d) Inside of Toys
  38. 38.🌐 A weather station sends one reading every 10 seconds. How many readings does it send in 4 minutes?
  39. 39.🔍 Which is the odd one out? (a) a pencil sharpener (b) a paper calendar (c) a wind-up clock (d) a smart energy meter
  40. 40.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a paper calendar (c) a Wi-Fi doorbell camera (d) a Wi-Fi weather station

Answer key

  1. a plain wall switch
  2. 12
  3. a Wi-Fi weather station
  4. 3
  5. a paper calendar
  6. an app-controlled bulb
  7. a Wi-Fi smart plug
  8. cloud server
  9. the sensor measures
  10. the app shows it
  11. 12
  12. over Wi-Fi
  13. Wi-Fi
  14. a Wi-Fi doorbell camera
  15. carries the data
  16. 600
  17. not an IoT device
  18. an IoT device
  19. a fitness band with app
  20. 24
  21. an IoT device
  22. actuator
  23. an app-controlled bulb
  24. a pencil sharpener
  25. 30
  26. 1500
  27. 5000
  28. 60
  29. a Wi-Fi weather station
  30. 1400
  31. a Wi-Fi smart plug
  32. an IoT device
  33. 3250
  34. a battery torch
  35. a plain table fan
  36. sensor
  37. Internet of Things
  38. 24
  39. a smart energy meter
  40. a paper calendar

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