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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 158 · 40 questions
TalentJR

Remember (One chip, one job): Microcontroller = processor + memory + input/output pins on one chip. Board parts: USB port (power and code), pins, reset button, power LED, main chip, voltage regulator. Write the program → upload over USB → it runs its loop for ever; power by USB or a small battery.

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  1. 1.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  2. 2.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  3. 3.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a wind-up toy (c) a washing machine (d) a hand pump
  4. 4.🧭 Which part of a microcontroller board brings power and code? (a) the voltage regulator (b) the power LED (c) the USB port (d) the pins
  5. 5.True or false: a laptop has no screen of its own. (a) True (b) False
  6. 6.True or false: a hand pump has no microcontroller inside. (a) False (b) True
  7. 7.🤖 What is a microcontroller? (a) a big desktop computer (b) a kind of bulb (c) a type of battery (d) a computer on one chip
  8. 8.Which of these usually has a microcontroller inside? (a) a hand pump (b) a bicycle bell (c) a smart watch (d) a candle
  9. 9.True or false: a spinning top usually has a microcontroller inside. (a) False (b) True
  10. 10.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) sent by sound (c) uploaded over USB (d) typed on the chip
  11. 11.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a bicycle bell (c) a microwave oven (d) a candle
  12. 12.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  13. 13.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
  14. 14.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  15. 15.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  16. 16.Which of these has no microcontroller inside? (a) a TV remote (b) a washing machine (c) a plain wall switch (d) a digital thermometer
  17. 17.Which job is done by the reset button? (a) runs the program (b) shows the board is on (c) connect sensors and LEDs (d) restarts the program
  18. 18.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a bicycle bell (c) a hand pump (d) a digital alarm clock
  19. 19.True or false: a microcontroller needs much more power. (a) False (b) True
  20. 20.True or false: a laptop runs one small program. (a) False (b) True
  21. 21.🧭 Which part of a microcontroller board runs the program? (a) the voltage regulator (b) the pins (c) the power LED (d) the main chip
  22. 22.True or false: a microcontroller runs one small program. (a) True (b) False
  23. 23.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the USB port (c) the voltage regulator (d) the power LED
  24. 24.True or false: a microcontroller uses very little power. (a) False (b) True
  25. 25.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  26. 26.True or false: a smart watch has no microcontroller inside. (a) True (b) False
  27. 27.True or false: a plain wall switch has no microcontroller inside. (a) True (b) False
  28. 28.🧭 Which part of a microcontroller board shows the board is on? (a) the pins (b) the reset button (c) the power LED (d) the USB port
  29. 29.True or false: a bicycle bell has no microcontroller inside. (a) False (b) True
  30. 30.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  31. 31.Which job is done by the USB port? (a) runs the program (b) brings power and code (c) keeps the voltage steady (d) shows the board is on
  32. 32.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  33. 33.Which job is done by the main chip? (a) shows the board is on (b) brings power and code (c) connect sensors and LEDs (d) runs the program
  34. 34.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  35. 35.Which job is done by the voltage regulator? (a) keeps the voltage steady (b) restarts the program (c) runs the program (d) brings power and code
  36. 36.True or false: a laptop uses very little power. (a) False (b) True
  37. 37.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  38. 38.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  39. 39.🧭 Which part of a microcontroller board restarts the program? (a) the power LED (b) the main chip (c) the reset button (d) the pins
  40. 40.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True

Answer key

  1. Yes
  2. laptop
  3. a washing machine
  4. the USB port
  5. False
  6. True
  7. a computer on one chip
  8. a smart watch
  9. False
  10. uploaded over USB
  11. a microwave oven
  12. No
  13. Yes
  14. No
  15. microcontroller
  16. a plain wall switch
  17. restarts the program
  18. a digital alarm clock
  19. False
  20. False
  21. the main chip
  22. True
  23. the voltage regulator
  24. True
  25. No
  26. False
  27. True
  28. the power LED
  29. True
  30. No
  31. brings power and code
  32. microcontroller
  33. runs the program
  34. Yes
  35. keeps the voltage steady
  36. False
  37. Yes
  38. microcontroller
  39. the reset button
  40. True

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