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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 355 · 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 of these usually has a microcontroller inside? (a) a TV remote (b) a spinning top (c) a candle (d) a plain wall switch
  2. 2.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  3. 3.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a spinning top (c) a hand pump (d) a microwave oven
  4. 4.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  5. 5.Which job is done by the power LED? (a) runs the program (b) brings power and code (c) shows the board is on (d) keeps the voltage steady
  6. 6.True or false: a TV remote usually has a microcontroller inside. (a) False (b) True
  7. 7.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  8. 8.Which of these has no microcontroller inside? (a) a toy robot (b) a digital thermometer (c) a spinning top (d) a TV remote
  9. 9.True or false: a microcontroller has no screen of its own. (a) True (b) False
  10. 10.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  11. 11.Which of these has no microcontroller inside? (a) a digital thermometer (b) a washing machine (c) a wind-up toy (d) a microwave oven
  12. 12.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  13. 13.🤖 Does a spinning top usually have a microcontroller inside? (a) No (b) Yes
  14. 14.🤖 What is a microcontroller? (a) a computer on one chip (b) a type of battery (c) a kind of bulb (d) a big desktop computer
  15. 15.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  16. 16.True or false: a microcontroller needs much more power. (a) False (b) True
  17. 17.True or false: a bicycle bell has no microcontroller inside. (a) False (b) True
  18. 18.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the reset button (b) the pins (c) the power LED (d) the voltage regulator
  19. 19.Which of these has no microcontroller inside? (a) a plain wall switch (b) a digital thermometer (c) a microwave oven (d) a digital alarm clock
  20. 20.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  21. 21.True or false: a laptop runs one small program. (a) True (b) False
  22. 22.Which of these has no microcontroller inside? (a) a microwave oven (b) a digital alarm clock (c) a candle (d) a toy robot
  23. 23.🧭 Which part of a microcontroller board restarts the program? (a) the reset button (b) the power LED (c) the main chip (d) the pins
  24. 24.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  25. 25.True or false: a digital thermometer has no microcontroller inside. (a) False (b) True
  26. 26.Which job is done by the main chip? (a) keeps the voltage steady (b) runs the program (c) connect sensors and LEDs (d) brings power and code
  27. 27.True or false: a toy robot has no microcontroller inside. (a) True (b) False
  28. 28.🧭 Which part of a microcontroller board brings power and code? (a) the reset button (b) the pins (c) the USB port (d) the main chip
  29. 29.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True
  30. 30.True or false: a bicycle bell usually has a microcontroller inside. (a) True (b) False
  31. 31.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  32. 32.True or false: a microcontroller runs one small program. (a) True (b) False
  33. 33.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  34. 34.Which of these has no microcontroller inside? (a) a microwave oven (b) a smart watch (c) a bicycle bell (d) a washing machine
  35. 35.True or false: a washing machine has no microcontroller inside. (a) False (b) True
  36. 36.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  37. 37.True or false: a spinning top usually has a microcontroller inside. (a) True (b) False
  38. 38.🤖 When the main loop of a microcontroller program ends, what happens? (a) it starts again (b) it stops forever (c) the board breaks (d) it deletes itself
  39. 39.🤖 How does a new program get onto a microcontroller board? (a) uploaded over USB (b) sent by sound (c) drawn with a pen (d) typed on the chip
  40. 40.🧭 Which part of a microcontroller board runs the program? (a) the voltage regulator (b) the main chip (c) the pins (d) the power LED

Answer key

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

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