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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 75 · 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 main chip? (a) runs the program (b) keeps the voltage steady (c) restarts the program (d) brings power and code
  2. 2.True or false: a microwave oven has no microcontroller inside. (a) False (b) True
  3. 3.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  4. 4.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  5. 5.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  6. 6.Which job is done by the reset button? (a) restarts the program (b) connect sensors and LEDs (c) runs the program (d) keeps the voltage steady
  7. 7.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes
  8. 8.True or false: a digital alarm clock has no microcontroller inside. (a) True (b) False
  9. 9.True or false: a microcontroller runs many apps at once. (a) False (b) True
  10. 10.🤖 Does a wind-up toy usually have a microcontroller inside? (a) No (b) Yes
  11. 11.🧭 Which part of a microcontroller board brings power and code? (a) the USB port (b) the voltage regulator (c) the reset button (d) the power LED
  12. 12.Which of these usually has a microcontroller inside? (a) a hand pump (b) a toy robot (c) a candle (d) a wind-up toy
  13. 13.True or false: a laptop has no screen of its own. (a) False (b) True
  14. 14.Which of these usually has a microcontroller inside? (a) a spinning top (b) a plain wall switch (c) a smart watch (d) a wind-up toy
  15. 15.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  16. 16.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  17. 17.🤖 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
  18. 18.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a wind-up toy (c) a plain wall switch (d) a digital alarm clock
  19. 19.Which job is done by the USB port? (a) shows the board is on (b) connect sensors and LEDs (c) keeps the voltage steady (d) brings power and code
  20. 20.🧭 Which part of a microcontroller board runs the program? (a) the pins (b) the reset button (c) the main chip (d) the power LED
  21. 21.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a smart watch (c) a candle (d) a microwave oven
  22. 22.🤖 Microcontroller or laptop: which one needs much more power? (a) laptop (b) microcontroller
  23. 23.Which of these has no microcontroller inside? (a) a toy robot (b) a TV remote (c) a smart watch (d) a plain wall switch
  24. 24.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the pins (b) the power LED (c) the USB port (d) the voltage regulator
  25. 25.🧭 Which part of a microcontroller board restarts the program? (a) the main chip (b) the USB port (c) the reset button (d) the pins
  26. 26.🤖 Does a bicycle bell usually have a microcontroller inside? (a) No (b) Yes
  27. 27.Which job is done by the voltage regulator? (a) restarts the program (b) keeps the voltage steady (c) shows the board is on (d) brings power and code
  28. 28.Which job is done by the power LED? (a) runs the program (b) shows the board is on (c) brings power and code (d) keeps the voltage steady
  29. 29.True or false: a wind-up toy has no microcontroller inside. (a) False (b) True
  30. 30.Which of these usually has a microcontroller inside? (a) a candle (b) a microwave oven (c) a plain wall switch (d) a spinning top
  31. 31.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  32. 32.True or false: a laptop needs much more power. (a) True (b) False
  33. 33.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True
  34. 34.🤖 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
  35. 35.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  36. 36.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) typed on the chip (c) drawn with a pen (d) uploaded over USB
  37. 37.Which of these has no microcontroller inside? (a) a microwave oven (b) a TV remote (c) a spinning top (d) a smart watch
  38. 38.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
  39. 39.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  40. 40.🧭 Which part of a microcontroller board shows the board is on? (a) the pins (b) the main chip (c) the USB port (d) the power LED

Answer key

  1. runs the program
  2. False
  3. laptop
  4. Yes
  5. microcontroller
  6. restarts the program
  7. Yes
  8. False
  9. False
  10. No
  11. the USB port
  12. a toy robot
  13. False
  14. a smart watch
  15. laptop
  16. Yes
  17. a computer on one chip
  18. a digital alarm clock
  19. brings power and code
  20. the main chip
  21. a candle
  22. laptop
  23. a plain wall switch
  24. the pins
  25. the reset button
  26. No
  27. keeps the voltage steady
  28. shows the board is on
  29. True
  30. a microwave oven
  31. No
  32. True
  33. True
  34. it starts again
  35. Yes
  36. uploaded over USB
  37. a spinning top
  38. Yes
  39. microcontroller
  40. the power LED

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