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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 311 · 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.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  2. 2.Which job is done by the pins? (a) connect sensors and LEDs (b) shows the board is on (c) brings power and code (d) runs the program
  3. 3.Which job is done by the reset button? (a) connect sensors and LEDs (b) runs the program (c) restarts the program (d) brings power and code
  4. 4.Which of these has no microcontroller inside? (a) a TV remote (b) a microwave oven (c) a hand pump (d) a smart watch
  5. 5.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  6. 6.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  7. 7.Which of these usually has a microcontroller inside? (a) a hand pump (b) a bicycle bell (c) a candle (d) a smart watch
  8. 8.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the main chip (b) the pins (c) the USB port (d) the power LED
  9. 9.Which of these usually has a microcontroller inside? (a) a hand pump (b) a spinning top (c) a plain wall switch (d) a TV remote
  10. 10.🤖 How does a new program get onto a microcontroller board? (a) uploaded over USB (b) typed on the chip (c) sent by sound (d) drawn with a pen
  11. 11.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  12. 12.Which of these has no microcontroller inside? (a) a digital thermometer (b) a smart watch (c) a candle (d) a toy robot
  13. 13.🧭 Which part of a microcontroller board shows the board is on? (a) the power LED (b) the USB port (c) the main chip (d) the pins
  14. 14.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  15. 15.True or false: a microcontroller has no screen of its own. (a) True (b) False
  16. 16.Which of these usually has a microcontroller inside? (a) a spinning top (b) a hand pump (c) a microwave oven (d) a bicycle bell
  17. 17.🧭 Which part of a microcontroller board brings power and code? (a) the USB port (b) the voltage regulator (c) the pins (d) the power LED
  18. 18.True or false: a bicycle bell has no microcontroller inside. (a) False (b) True
  19. 19.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  20. 20.Which of these usually has a microcontroller inside? (a) a spinning top (b) a wind-up toy (c) a washing machine (d) a hand pump
  21. 21.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  22. 22.Which job is done by the USB port? (a) brings power and code (b) restarts the program (c) runs the program (d) keeps the voltage steady
  23. 23.True or false: a spinning top usually has a microcontroller inside. (a) False (b) True
  24. 24.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  25. 25.True or false: a laptop has a built-in keyboard. (a) True (b) False
  26. 26.True or false: a plain wall switch has no microcontroller inside. (a) True (b) False
  27. 27.True or false: a microcontroller runs one small program. (a) True (b) False
  28. 28.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  29. 29.Which of these usually has a microcontroller inside? (a) a candle (b) a hand pump (c) a wind-up toy (d) a toy robot
  30. 30.🤖 When the main loop of a microcontroller program ends, what happens? (a) it stops forever (b) it starts again (c) the board breaks (d) it deletes itself
  31. 31.🧭 Which part of a microcontroller board runs the program? (a) the power LED (b) the USB port (c) the pins (d) the main chip
  32. 32.True or false: a laptop uses very little power. (a) True (b) False
  33. 33.True or false: a digital alarm clock usually has a microcontroller inside. (a) False (b) True
  34. 34.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  35. 35.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
  36. 36.True or false: a microwave oven has no microcontroller inside. (a) False (b) True
  37. 37.Which of these has no microcontroller inside? (a) a plain wall switch (b) a toy robot (c) a washing machine (d) a smart watch
  38. 38.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  39. 39.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a digital alarm clock (c) a candle (d) a bicycle bell
  40. 40.True or false: a microcontroller needs much more power. (a) False (b) True

Answer key

  1. microcontroller
  2. connect sensors and LEDs
  3. restarts the program
  4. a hand pump
  5. False
  6. Yes
  7. a smart watch
  8. the pins
  9. a TV remote
  10. uploaded over USB
  11. laptop
  12. a candle
  13. the power LED
  14. No
  15. True
  16. a microwave oven
  17. the USB port
  18. True
  19. Yes
  20. a washing machine
  21. microcontroller
  22. brings power and code
  23. False
  24. Yes
  25. True
  26. True
  27. True
  28. Yes
  29. a toy robot
  30. it starts again
  31. the main chip
  32. False
  33. True
  34. microcontroller
  35. False
  36. False
  37. a plain wall switch
  38. No
  39. a digital alarm clock
  40. False

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