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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 171 · 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.

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

Answer key

  1. True
  2. restarts the program
  3. a spinning top
  4. the main chip
  5. a candle
  6. the USB port
  7. uploaded over USB
  8. brings power and code
  9. False
  10. Yes
  11. a smart watch
  12. a digital thermometer
  13. False
  14. No
  15. a washing machine
  16. False
  17. Yes
  18. a hand pump
  19. True
  20. microcontroller
  21. a microwave oven
  22. laptop
  23. a wind-up toy
  24. No
  25. False
  26. laptop
  27. the voltage regulator
  28. the reset button
  29. Yes
  30. a computer on one chip
  31. Yes
  32. False
  33. it starts again
  34. the pins
  35. False
  36. True
  37. No
  38. microcontroller
  39. False
  40. a bicycle bell

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