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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 419 · 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 USB port? (a) restarts the program (b) shows the board is on (c) brings power and code (d) connect sensors and LEDs
  2. 2.True or false: a hand pump usually has a microcontroller inside. (a) False (b) True
  3. 3.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  4. 4.True or false: a wind-up toy has no microcontroller inside. (a) False (b) True
  5. 5.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a smart watch (c) a bicycle bell (d) a spinning top
  6. 6.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a hand pump (c) a TV remote (d) a spinning top
  7. 7.🤖 Does a wind-up toy usually have a microcontroller inside? (a) No (b) Yes
  8. 8.True or false: a digital thermometer usually has a microcontroller inside. (a) True (b) False
  9. 9.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  10. 10.Which job is done by the main chip? (a) brings power and code (b) keeps the voltage steady (c) connect sensors and LEDs (d) runs the program
  11. 11.True or false: a laptop runs one small program. (a) True (b) False
  12. 12.True or false: a microcontroller has a built-in keyboard. (a) False (b) True
  13. 13.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  14. 14.🤖 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
  15. 15.True or false: a microcontroller uses very little power. (a) True (b) False
  16. 16.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  17. 17.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  18. 18.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  19. 19.True or false: a spinning top has no microcontroller inside. (a) True (b) False
  20. 20.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  21. 21.True or false: a bicycle bell usually has a microcontroller inside. (a) False (b) True
  22. 22.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the power LED (b) the reset button (c) the main chip (d) the voltage regulator
  23. 23.🧭 Which part of a microcontroller board shows the board is on? (a) the reset button (b) the pins (c) the power LED (d) the main chip
  24. 24.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a TV remote (c) a digital thermometer (d) a wind-up toy
  25. 25.Which of these has no microcontroller inside? (a) a digital thermometer (b) a smart watch (c) a candle (d) a digital alarm clock
  26. 26.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  27. 27.True or false: a microwave oven has no microcontroller inside. (a) True (b) False
  28. 28.🤖 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
  29. 29.🧭 Which part of a microcontroller board runs the program? (a) the reset button (b) the USB port (c) the main chip (d) the pins
  30. 30.True or false: a microcontroller runs one small program. (a) True (b) False
  31. 31.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  32. 32.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  33. 33.🧭 Which part of a microcontroller board restarts the program? (a) the power LED (b) the USB port (c) the voltage regulator (d) the reset button
  34. 34.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  35. 35.Which of these has no microcontroller inside? (a) a toy robot (b) a smart watch (c) a spinning top (d) a digital alarm clock
  36. 36.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  37. 37.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True
  38. 38.🤖 Where does the board keep its program when the power is off? (a) the resistor (b) the USB cable (c) flash memory (d) the power LED
  39. 39.🧭 Which part of a microcontroller board brings power and code? (a) the power LED (b) the pins (c) the USB port (d) the reset button
  40. 40.True or false: a microcontroller runs many apps at once. (a) False (b) True

Answer key

  1. brings power and code
  2. False
  3. laptop
  4. True
  5. a smart watch
  6. a TV remote
  7. No
  8. True
  9. laptop
  10. runs the program
  11. False
  12. False
  13. laptop
  14. it starts again
  15. True
  16. microcontroller
  17. microcontroller
  18. microcontroller
  19. True
  20. Yes
  21. False
  22. the voltage regulator
  23. the power LED
  24. a wind-up toy
  25. a candle
  26. Yes
  27. False
  28. uploaded over USB
  29. the main chip
  30. True
  31. No
  32. No
  33. the reset button
  34. Yes
  35. a spinning top
  36. Yes
  37. True
  38. flash memory
  39. the USB port
  40. False

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