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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 293 · 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.Which job is done by the voltage regulator? (a) brings power and code (b) runs the program (c) keeps the voltage steady (d) restarts the program
  2. 2.🤖 What is a microcontroller? (a) a kind of bulb (b) a type of battery (c) a computer on one chip (d) a big desktop computer
  3. 3.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  4. 4.True or false: a laptop uses very little power. (a) False (b) True
  5. 5.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  6. 6.Which of these has no microcontroller inside? (a) a candle (b) a toy robot (c) a digital alarm clock (d) a smart watch
  7. 7.True or false: a microcontroller needs much more power. (a) False (b) True
  8. 8.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a washing machine (c) a candle (d) a hand pump
  9. 9.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) typed on the chip (c) sent by sound (d) uploaded over USB
  10. 10.True or false: a hand pump has no microcontroller inside. (a) True (b) False
  11. 11.True or false: a digital thermometer usually has a microcontroller inside. (a) True (b) False
  12. 12.True or false: a laptop needs much more power. (a) False (b) True
  13. 13.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  14. 14.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  15. 15.Which of these usually has a microcontroller inside? (a) a hand pump (b) a spinning top (c) a wind-up toy (d) a toy robot
  16. 16.True or false: a washing machine has no microcontroller inside. (a) False (b) True
  17. 17.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  18. 18.Which of these has no microcontroller inside? (a) a microwave oven (b) a TV remote (c) a washing machine (d) a hand pump
  19. 19.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  20. 20.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  21. 21.True or false: a microcontroller runs many apps at once. (a) True (b) False
  22. 22.🧭 Which part of a microcontroller board brings power and code? (a) the USB port (b) the pins (c) the voltage regulator (d) the reset button
  23. 23.True or false: a microwave oven usually has a microcontroller inside. (a) True (b) False
  24. 24.🧭 Which part of a microcontroller board runs the program? (a) the voltage regulator (b) the USB port (c) the main chip (d) the pins
  25. 25.Which of these has no microcontroller inside? (a) a toy robot (b) a wind-up toy (c) a microwave oven (d) a smart watch
  26. 26.🤖 Where does the board keep its program when the power is off? (a) the power LED (b) the USB cable (c) flash memory (d) the resistor
  27. 27.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  28. 28.True or false: a laptop has no screen of its own. (a) True (b) False
  29. 29.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  30. 30.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  31. 31.Which job is done by the reset button? (a) shows the board is on (b) keeps the voltage steady (c) connect sensors and LEDs (d) restarts the program
  32. 32.True or false: a wind-up toy has no microcontroller inside. (a) False (b) True
  33. 33.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  34. 34.True or false: a TV remote usually has a microcontroller inside. (a) True (b) False
  35. 35.True or false: a microwave oven has no microcontroller inside. (a) False (b) True
  36. 36.Which of these usually has a microcontroller inside? (a) a spinning top (b) a bicycle bell (c) a smart watch (d) a wind-up toy
  37. 37.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  38. 38.True or false: a hand pump usually has a microcontroller inside. (a) False (b) True
  39. 39.True or false: a digital alarm clock has no microcontroller inside. (a) True (b) False
  40. 40.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the main chip (c) the reset button (d) the voltage regulator

Answer key

  1. keeps the voltage steady
  2. a computer on one chip
  3. No
  4. False
  5. Yes
  6. a candle
  7. False
  8. a washing machine
  9. uploaded over USB
  10. True
  11. True
  12. True
  13. Yes
  14. laptop
  15. a toy robot
  16. False
  17. laptop
  18. a hand pump
  19. False
  20. No
  21. False
  22. the USB port
  23. True
  24. the main chip
  25. a wind-up toy
  26. flash memory
  27. Yes
  28. False
  29. Yes
  30. Yes
  31. restarts the program
  32. True
  33. Yes
  34. True
  35. False
  36. a smart watch
  37. No
  38. False
  39. False
  40. the voltage regulator

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