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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 581 · 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 part of a microcontroller board shows the board is on? (a) the USB port (b) the reset button (c) the voltage regulator (d) the power LED
  2. 2.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  3. 3.True or false: a digital thermometer usually has a microcontroller inside. (a) True (b) False
  4. 4.True or false: a microcontroller needs much more power. (a) False (b) True
  5. 5.Which job is done by the reset button? (a) runs the program (b) brings power and code (c) restarts the program (d) connect sensors and LEDs
  6. 6.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  7. 7.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  8. 8.🧭 Which part of a microcontroller board brings power and code? (a) the pins (b) the reset button (c) the USB port (d) the main chip
  9. 9.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a digital thermometer (c) a candle (d) a wind-up toy
  10. 10.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a microwave oven (c) a candle (d) a hand pump
  11. 11.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes
  12. 12.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a smart watch (c) a spinning top (d) a plain wall switch
  13. 13.🤖 What is a microcontroller? (a) a big desktop computer (b) a type of battery (c) a computer on one chip (d) a kind of bulb
  14. 14.Which of these has no microcontroller inside? (a) a bicycle bell (b) a washing machine (c) a microwave oven (d) a smart watch
  15. 15.Which job is done by the USB port? (a) runs the program (b) brings power and code (c) restarts the program (d) keeps the voltage steady
  16. 16.True or false: a plain wall switch has no microcontroller inside. (a) True (b) False
  17. 17.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a candle (c) a wind-up toy (d) a washing machine
  18. 18.Which job is done by the pins? (a) restarts the program (b) connect sensors and LEDs (c) shows the board is on (d) keeps the voltage steady
  19. 19.True or false: a smart watch has no microcontroller inside. (a) False (b) True
  20. 20.True or false: a microcontroller has no screen of its own. (a) False (b) True
  21. 21.Which job is done by the power LED? (a) keeps the voltage steady (b) runs the program (c) restarts the program (d) shows the board is on
  22. 22.True or false: a candle has no microcontroller inside. (a) False (b) True
  23. 23.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  24. 24.True or false: a plain wall switch usually has a microcontroller inside. (a) False (b) True
  25. 25.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  26. 26.🧭 Which part of a microcontroller board runs the program? (a) the main chip (b) the reset button (c) the USB port (d) the power LED
  27. 27.Which of these has no microcontroller inside? (a) a washing machine (b) a plain wall switch (c) a TV remote (d) a toy robot
  28. 28.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the main chip (b) the pins (c) the voltage regulator (d) the reset button
  29. 29.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a TV remote (c) a hand pump (d) a spinning top
  30. 30.Which job is done by the voltage regulator? (a) connect sensors and LEDs (b) runs the program (c) keeps the voltage steady (d) shows the board is on
  31. 31.True or false: a hand pump usually has a microcontroller inside. (a) False (b) True
  32. 32.Which of these has no microcontroller inside? (a) a toy robot (b) a washing machine (c) a digital alarm clock (d) a candle
  33. 33.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  34. 34.🤖 Where does the board keep its program when the power is off? (a) the resistor (b) the power LED (c) the USB cable (d) flash memory
  35. 35.🤖 When the main loop of a microcontroller program ends, what happens? (a) the board breaks (b) it stops forever (c) it deletes itself (d) it starts again
  36. 36.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  37. 37.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  38. 38.🧭 Which part of a microcontroller board restarts the program? (a) the voltage regulator (b) the power LED (c) the USB port (d) the reset button
  39. 39.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  40. 40.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True

Answer key

  1. the power LED
  2. microcontroller
  3. True
  4. False
  5. restarts the program
  6. Yes
  7. microcontroller
  8. the USB port
  9. a digital thermometer
  10. a microwave oven
  11. Yes
  12. a smart watch
  13. a computer on one chip
  14. a bicycle bell
  15. brings power and code
  16. True
  17. a washing machine
  18. connect sensors and LEDs
  19. False
  20. True
  21. shows the board is on
  22. True
  23. No
  24. False
  25. laptop
  26. the main chip
  27. a plain wall switch
  28. the voltage regulator
  29. a TV remote
  30. keeps the voltage steady
  31. False
  32. a candle
  33. laptop
  34. flash memory
  35. it starts again
  36. Yes
  37. No
  38. the reset button
  39. Yes
  40. True

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