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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 343 · 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 needs much more power? (a) laptop (b) microcontroller
  2. 2.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  3. 3.Which job is done by the USB port? (a) brings power and code (b) runs the program (c) connect sensors and LEDs (d) keeps the voltage steady
  4. 4.🧭 Which part of a microcontroller board shows the board is on? (a) the USB port (b) the reset button (c) the power LED (d) the pins
  5. 5.True or false: a microcontroller needs much more power. (a) False (b) True
  6. 6.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the power LED (b) the main chip (c) the USB port (d) the voltage regulator
  7. 7.True or false: a laptop needs much more power. (a) True (b) False
  8. 8.Which of these has no microcontroller inside? (a) a wind-up toy (b) a digital alarm clock (c) a toy robot (d) a microwave oven
  9. 9.True or false: a laptop runs many apps at once. (a) False (b) True
  10. 10.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  11. 11.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  12. 12.Which job is done by the power LED? (a) runs the program (b) shows the board is on (c) connect sensors and LEDs (d) brings power and code
  13. 13.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  14. 14.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  15. 15.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  16. 16.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  17. 17.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
  18. 18.🤖 How does a new program get onto a microcontroller board? (a) uploaded over USB (b) sent by sound (c) typed on the chip (d) drawn with a pen
  19. 19.Which of these has no microcontroller inside? (a) a digital thermometer (b) a digital alarm clock (c) a washing machine (d) a plain wall switch
  20. 20.True or false: a spinning top usually has a microcontroller inside. (a) True (b) False
  21. 21.🤖 Which is a safe power source for a beginner microcontroller board? (a) a wall socket directly (b) USB or a 9 V battery (c) a 230 V cable (d) bare mains wires
  22. 22.🧭 Which part of a microcontroller board restarts the program? (a) the power LED (b) the pins (c) the voltage regulator (d) the reset button
  23. 23.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  24. 24.True or false: a laptop has no screen of its own. (a) True (b) False
  25. 25.🤖 What is a microcontroller? (a) a big desktop computer (b) a kind of bulb (c) a type of battery (d) a computer on one chip
  26. 26.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  27. 27.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  28. 28.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  29. 29.Which of these usually has a microcontroller inside? (a) a candle (b) a plain wall switch (c) a TV remote (d) a bicycle bell
  30. 30.True or false: a smart watch usually has a microcontroller inside. (a) True (b) False
  31. 31.Which of these has no microcontroller inside? (a) a TV remote (b) a bicycle bell (c) a toy robot (d) a digital alarm clock
  32. 32.True or false: a spinning top has no microcontroller inside. (a) False (b) True
  33. 33.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  34. 34.True or false: a bicycle bell usually has a microcontroller inside. (a) True (b) False
  35. 35.True or false: a wind-up toy has no microcontroller inside. (a) True (b) False
  36. 36.True or false: a smart watch has no microcontroller inside. (a) False (b) True
  37. 37.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a spinning top (c) a washing machine (d) a hand pump
  38. 38.Which of these usually has a microcontroller inside? (a) a spinning top (b) a candle (c) a microwave oven (d) a hand pump
  39. 39.Which of these has no microcontroller inside? (a) a smart watch (b) a TV remote (c) a microwave oven (d) a candle
  40. 40.True or false: a microcontroller uses very little power. (a) True (b) False

Answer key

  1. laptop
  2. No
  3. brings power and code
  4. the power LED
  5. False
  6. the voltage regulator
  7. True
  8. a wind-up toy
  9. True
  10. microcontroller
  11. True
  12. shows the board is on
  13. No
  14. False
  15. No
  16. laptop
  17. Yes
  18. uploaded over USB
  19. a plain wall switch
  20. False
  21. USB or a 9 V battery
  22. the reset button
  23. microcontroller
  24. False
  25. a computer on one chip
  26. Yes
  27. Yes
  28. microcontroller
  29. a TV remote
  30. True
  31. a bicycle bell
  32. True
  33. No
  34. False
  35. True
  36. False
  37. a washing machine
  38. a microwave oven
  39. a candle
  40. True

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