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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 59 · 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 has a built-in keyboard? (a) microcontroller (b) laptop
  2. 2.True or false: a laptop uses very little power. (a) False (b) True
  3. 3.Which of these has no microcontroller inside? (a) a washing machine (b) a TV remote (c) a smart watch (d) a spinning top
  4. 4.🤖 When the main loop of a microcontroller program ends, what happens? (a) it starts again (b) it stops forever (c) the board breaks (d) it deletes itself
  5. 5.Which job is done by the reset button? (a) restarts the program (b) brings power and code (c) connect sensors and LEDs (d) runs the program
  6. 6.True or false: a smart watch has no microcontroller inside. (a) True (b) False
  7. 7.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  8. 8.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  9. 9.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the USB port (b) the power LED (c) the pins (d) the reset button
  10. 10.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  11. 11.🤖 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
  12. 12.Which job is done by the USB port? (a) restarts the program (b) connect sensors and LEDs (c) runs the program (d) brings power and code
  13. 13.Which of these usually has a microcontroller inside? (a) a candle (b) a wind-up toy (c) a washing machine (d) a bicycle bell
  14. 14.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a bicycle bell (c) a washing machine (d) a microwave oven
  15. 15.Which of these usually has a microcontroller inside? (a) a hand pump (b) a plain wall switch (c) a microwave oven (d) a wind-up toy
  16. 16.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) uploaded over USB (c) typed on the chip (d) drawn with a pen
  17. 17.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  18. 18.True or false: a microwave oven usually has a microcontroller inside. (a) True (b) False
  19. 19.🧭 Which part of a microcontroller board runs the program? (a) the USB port (b) the reset button (c) the pins (d) the main chip
  20. 20.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  21. 21.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  22. 22.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  23. 23.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  24. 24.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  25. 25.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  26. 26.True or false: a microcontroller has no screen of its own. (a) False (b) True
  27. 27.🧭 Which part of a microcontroller board shows the board is on? (a) the power LED (b) the voltage regulator (c) the main chip (d) the reset button
  28. 28.True or false: a toy robot usually has a microcontroller inside. (a) False (b) True
  29. 29.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  30. 30.True or false: a laptop has no screen of its own. (a) False (b) True
  31. 31.🧭 Which part of a microcontroller board restarts the program? (a) the main chip (b) the power LED (c) the USB port (d) the reset button
  32. 32.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
  33. 33.Which of these usually has a microcontroller inside? (a) a spinning top (b) a candle (c) a TV remote (d) a wind-up toy
  34. 34.Which of these usually has a microcontroller inside? (a) a candle (b) a wind-up toy (c) a spinning top (d) a toy robot
  35. 35.🤖 What is a microcontroller? (a) a type of battery (b) a kind of bulb (c) a big desktop computer (d) a computer on one chip
  36. 36.True or false: a microcontroller needs much more power. (a) True (b) False
  37. 37.🤖 Does a spinning top usually have a microcontroller inside? (a) No (b) Yes
  38. 38.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  39. 39.Which of these usually has a microcontroller inside? (a) a digital alarm clock (b) a candle (c) a spinning top (d) a hand pump
  40. 40.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop

Answer key

  1. laptop
  2. False
  3. a spinning top
  4. it starts again
  5. restarts the program
  6. False
  7. No
  8. microcontroller
  9. the pins
  10. microcontroller
  11. flash memory
  12. brings power and code
  13. a washing machine
  14. a bicycle bell
  15. a microwave oven
  16. uploaded over USB
  17. Yes
  18. True
  19. the main chip
  20. No
  21. Yes
  22. No
  23. Yes
  24. No
  25. False
  26. True
  27. the power LED
  28. True
  29. No
  30. False
  31. the reset button
  32. False
  33. a TV remote
  34. a toy robot
  35. a computer on one chip
  36. False
  37. No
  38. laptop
  39. a digital alarm clock
  40. laptop

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