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Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 304 · 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 microcontroller do? (a) reads values, decides (b) shows data to you (c) acts on a command (d) stores data online
  2. 2.Which of these is an IoT device? (a) a pencil sharpener (b) a paper calendar (c) a smart energy meter (d) a plain table fan
  3. 3.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
  4. 4.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
  5. 5.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 1 minute?
  6. 6.🌐 A weather station sends one reading every 5 seconds. How many readings does it send in 7 minutes?
  7. 7.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 2 hours?
  8. 8.🌐 In an IoT system, which part shows data to you? (a) cloud server (b) phone app (c) microcontroller (d) actuator
  9. 9.🌐 What does IoT stand for? (a) Internet of Talk (b) Input of Tools (c) Inside of Toys (d) Internet of Things
  10. 10.What does the phone app do? (a) acts on a command (b) shows data to you (c) measures the real world (d) reads values, decides
  11. 11.Which of these is not an IoT device? (a) a fitness band with app (b) a Wi-Fi doorbell camera (c) a battery torch (d) an app-controlled bulb
  12. 12.🌐 Is a fitness band with app an IoT device? (a) an IoT device (b) not an IoT device
  13. 13.🌐 In an IoT system, which part reads values, decides? (a) microcontroller (b) cloud server (c) sensor (d) Wi-Fi
  14. 14.What does the cloud server do? (a) acts on a command (b) measures the real world (c) reads values, decides (d) stores data online
  15. 15.What does the sensor do? (a) shows data to you (b) stores data online (c) measures the real world (d) acts on a command
  16. 16.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 90 readings take?
  17. 17.🌐 Is a Wi-Fi smart plug an IoT device? (a) an IoT device (b) not an IoT device
  18. 18.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) an app-controlled bulb (c) a plain table fan (d) a smart energy meter
  19. 19.Which of these is not an IoT device? (a) a Wi-Fi smart plug (b) a Wi-Fi weather station (c) a plain wall switch (d) a smart energy meter
  20. 20.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 40 readings take?
  21. 21.🌐 In an IoT system, which part carries the data? (a) phone app (b) microcontroller (c) sensor (d) Wi-Fi
  22. 22.Which of these is an IoT device? (a) a pencil sharpener (b) a paper calendar (c) a Wi-Fi weather station (d) a plain wall switch
  23. 23.🔍 Which is the odd one out? (a) a plain table fan (b) a plain wall switch (c) a smart energy meter (d) a battery torch
  24. 24.🔍 Which is the odd one out? (a) a smart energy meter (b) an app-controlled bulb (c) a fitness band with app (d) a pencil sharpener
  25. 25.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 5 hours?
  26. 26.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 10 minutes?
  27. 27.🌐 Is a plain wall switch an IoT device? (a) an IoT device (b) not an IoT device
  28. 28.🌐 A weather station sends one reading every 15 seconds. How many readings does it send in 8 minutes?
  29. 29.🌐 How does a home IoT device usually send its data to the app? (a) by post (b) by shouting (c) over Wi-Fi (d) through a candle
  30. 30.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 90 readings take?
  31. 31.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) not an IoT device (b) an IoT device
  32. 32.🌐 Each reading a sensor sends is 10 bytes. How many bytes do 80 readings take?
  33. 33.🔢 To get a sensor reading onto a phone, which is the FIRST step? (a) the sensor measures (b) the app shows it (c) it is sent by Wi-Fi (d) the board reads it
  34. 34.Which of these is an IoT device? (a) a plain wall switch (b) a Wi-Fi smart plug (c) a wind-up clock (d) a pencil sharpener
  35. 35.🔍 Which is the odd one out? (a) a Wi-Fi smart plug (b) a wind-up clock (c) a Wi-Fi doorbell camera (d) a Wi-Fi weather station
  36. 36.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 2 hours?
  37. 37.🌐 In an IoT system, which part measures the real world? (a) cloud server (b) Wi-Fi (c) sensor (d) phone app
  38. 38.🌐 Is a paper calendar an IoT device? (a) not an IoT device (b) an IoT device
  39. 39.🌐 In an IoT system, which part acts on a command? (a) phone app (b) actuator (c) cloud server (d) Wi-Fi
  40. 40.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) it is sent by Wi-Fi (b) the app shows it (c) the cloud stores it (d) the sensor measures

Answer key

  1. reads values, decides
  2. a smart energy meter
  3. an IoT device
  4. not an IoT device
  5. 3
  6. 84
  7. 8
  8. phone app
  9. Internet of Things
  10. shows data to you
  11. a battery torch
  12. an IoT device
  13. microcontroller
  14. stores data online
  15. measures the real world
  16. 1800
  17. an IoT device
  18. a plain table fan
  19. a plain wall switch
  20. 400
  21. Wi-Fi
  22. a Wi-Fi weather station
  23. a smart energy meter
  24. a pencil sharpener
  25. 30
  26. 10
  27. not an IoT device
  28. 32
  29. over Wi-Fi
  30. 900
  31. an IoT device
  32. 800
  33. the sensor measures
  34. a Wi-Fi smart plug
  35. a wind-up clock
  36. 12
  37. sensor
  38. not an IoT device
  39. actuator
  40. it is sent by Wi-Fi

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