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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 263 · 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.True or false: a microcontroller uses very little power. (a) False (b) True
  2. 2.Which of these usually has a microcontroller inside? (a) a hand pump (b) a toy robot (c) a bicycle bell (d) a wind-up toy
  3. 3.🧭 Which part of a microcontroller board brings power and code? (a) the main chip (b) the reset button (c) the USB port (d) the pins
  4. 4.True or false: a laptop runs one small program. (a) True (b) False
  5. 5.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  6. 6.Which of these usually has a microcontroller inside? (a) a hand pump (b) a TV remote (c) a wind-up toy (d) a candle
  7. 7.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  8. 8.True or false: a microcontroller needs much more power. (a) True (b) False
  9. 9.🧭 Which part of a microcontroller board runs the program? (a) the pins (b) the main chip (c) the reset button (d) the power LED
  10. 10.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the main chip (b) the USB port (c) the reset button (d) the voltage regulator
  11. 11.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  12. 12.Which job is done by the voltage regulator? (a) keeps the voltage steady (b) connect sensors and LEDs (c) restarts the program (d) brings power and code
  13. 13.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  14. 14.Which job is done by the pins? (a) connect sensors and LEDs (b) keeps the voltage steady (c) restarts the program (d) runs the program
  15. 15.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the voltage regulator (b) the main chip (c) the reset button (d) the pins
  16. 16.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  17. 17.🤖 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
  18. 18.🧭 Which part of a microcontroller board shows the board is on? (a) the voltage regulator (b) the USB port (c) the power LED (d) the pins
  19. 19.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a bicycle bell (c) a smart watch (d) a hand pump
  20. 20.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  21. 21.Which of these usually has a microcontroller inside? (a) a microwave oven (b) a candle (c) a bicycle bell (d) a plain wall switch
  22. 22.True or false: a TV remote usually has a microcontroller inside. (a) False (b) True
  23. 23.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  24. 24.Which job is done by the main chip? (a) keeps the voltage steady (b) restarts the program (c) brings power and code (d) runs the program
  25. 25.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
  26. 26.True or false: a bicycle bell usually has a microcontroller inside. (a) False (b) True
  27. 27.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  28. 28.Which of these has no microcontroller inside? (a) a microwave oven (b) a washing machine (c) a spinning top (d) a TV remote
  29. 29.True or false: a laptop uses very little power. (a) True (b) False
  30. 30.Which job is done by the reset button? (a) connect sensors and LEDs (b) brings power and code (c) restarts the program (d) runs the program
  31. 31.🤖 Does a spinning top usually have a microcontroller inside? (a) No (b) Yes
  32. 32.True or false: a laptop has no screen of its own. (a) True (b) False
  33. 33.True or false: a microcontroller has no screen of its own. (a) True (b) False
  34. 34.Which job is done by the USB port? (a) brings power and code (b) shows the board is on (c) runs the program (d) connect sensors and LEDs
  35. 35.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  36. 36.True or false: a toy robot usually has a microcontroller inside. (a) False (b) True
  37. 37.Which of these has no microcontroller inside? (a) a toy robot (b) a digital thermometer (c) a wind-up toy (d) a TV remote
  38. 38.Which job is done by the power LED? (a) runs the program (b) keeps the voltage steady (c) shows the board is on (d) brings power and code
  39. 39.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  40. 40.Which of these usually has a microcontroller inside? (a) a washing machine (b) a wind-up toy (c) a plain wall switch (d) a bicycle bell

Answer key

  1. True
  2. a toy robot
  3. the USB port
  4. False
  5. laptop
  6. a TV remote
  7. No
  8. False
  9. the main chip
  10. the voltage regulator
  11. Yes
  12. keeps the voltage steady
  13. microcontroller
  14. connect sensors and LEDs
  15. the pins
  16. microcontroller
  17. a computer on one chip
  18. the power LED
  19. a smart watch
  20. Yes
  21. a microwave oven
  22. True
  23. laptop
  24. runs the program
  25. False
  26. False
  27. laptop
  28. a spinning top
  29. False
  30. restarts the program
  31. No
  32. False
  33. True
  34. brings power and code
  35. Yes
  36. True
  37. a wind-up toy
  38. shows the board is on
  39. Yes
  40. a washing machine

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