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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 391 · 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.True or false: a laptop has a built-in keyboard. (a) False (b) True
  2. 2.🤖 What is a microcontroller? (a) a type of battery (b) a big desktop computer (c) a kind of bulb (d) a computer on one chip
  3. 3.🤖 Which is a safe power source for a beginner microcontroller board? (a) a 230 V cable (b) a wall socket directly (c) USB or a 9 V battery (d) bare mains wires
  4. 4.True or false: a laptop has no screen of its own. (a) True (b) False
  5. 5.Which of these has no microcontroller inside? (a) a washing machine (b) a TV remote (c) a bicycle bell (d) a toy robot
  6. 6.Which of these has no microcontroller inside? (a) a digital thermometer (b) a hand pump (c) a washing machine (d) a smart watch
  7. 7.True or false: a laptop uses very little power. (a) False (b) True
  8. 8.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  9. 9.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  10. 10.🧭 Which part of a microcontroller board shows the board is on? (a) the pins (b) the voltage regulator (c) the reset button (d) the power LED
  11. 11.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  12. 12.🧭 Which part of a microcontroller board brings power and code? (a) the main chip (b) the reset button (c) the USB port (d) the pins
  13. 13.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  14. 14.Which job is done by the voltage regulator? (a) keeps the voltage steady (b) shows the board is on (c) brings power and code (d) connect sensors and LEDs
  15. 15.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  16. 16.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  17. 17.🧭 Which part of a microcontroller board runs the program? (a) the USB port (b) the reset button (c) the main chip (d) the voltage regulator
  18. 18.Which job is done by the main chip? (a) keeps the voltage steady (b) connect sensors and LEDs (c) runs the program (d) brings power and code
  19. 19.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) sent by sound (c) uploaded over USB (d) typed on the chip
  20. 20.True or false: a laptop needs much more power. (a) True (b) False
  21. 21.True or false: a microcontroller has a built-in keyboard. (a) False (b) True
  22. 22.Which of these usually has a microcontroller inside? (a) a spinning top (b) a digital thermometer (c) a bicycle bell (d) a wind-up toy
  23. 23.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a hand pump (c) a microwave oven (d) a bicycle bell
  24. 24.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  25. 25.Which of these has no microcontroller inside? (a) a washing machine (b) a candle (c) a TV remote (d) a digital alarm clock
  26. 26.Which of these has no microcontroller inside? (a) a toy robot (b) a digital alarm clock (c) a wind-up toy (d) a digital thermometer
  27. 27.True or false: a laptop runs one small program. (a) False (b) True
  28. 28.True or false: a digital thermometer usually has a microcontroller inside. (a) True (b) False
  29. 29.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the pins (b) the voltage regulator (c) the USB port (d) the reset button
  30. 30.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  31. 31.True or false: a digital thermometer has no microcontroller inside. (a) False (b) True
  32. 32.Which of these usually has a microcontroller inside? (a) a hand pump (b) a smart watch (c) a wind-up toy (d) a plain wall switch
  33. 33.True or false: a spinning top has no microcontroller inside. (a) True (b) False
  34. 34.True or false: a laptop runs many apps at once. (a) False (b) True
  35. 35.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  36. 36.True or false: a microcontroller needs much more power. (a) False (b) True
  37. 37.True or false: a toy robot usually has a microcontroller inside. (a) True (b) False
  38. 38.True or false: a wind-up toy has no microcontroller inside. (a) True (b) False
  39. 39.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  40. 40.True or false: a microwave oven usually has a microcontroller inside. (a) True (b) False

Answer key

  1. True
  2. a computer on one chip
  3. USB or a 9 V battery
  4. False
  5. a bicycle bell
  6. a hand pump
  7. False
  8. laptop
  9. Yes
  10. the power LED
  11. microcontroller
  12. the USB port
  13. Yes
  14. keeps the voltage steady
  15. Yes
  16. No
  17. the main chip
  18. runs the program
  19. uploaded over USB
  20. True
  21. False
  22. a digital thermometer
  23. a microwave oven
  24. No
  25. a candle
  26. a wind-up toy
  27. False
  28. True
  29. the pins
  30. laptop
  31. False
  32. a smart watch
  33. True
  34. True
  35. False
  36. False
  37. True
  38. True
  39. microcontroller
  40. True

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