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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 729 · 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 has a built-in keyboard? (a) microcontroller (b) laptop
  2. 2.True or false: a microcontroller needs much more power. (a) True (b) False
  3. 3.True or false: a laptop has no screen of its own. (a) True (b) False
  4. 4.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  5. 5.🧭 Which part of a microcontroller board restarts the program? (a) the power LED (b) the voltage regulator (c) the reset button (d) the USB port
  6. 6.True or false: a plain wall switch has no microcontroller inside. (a) True (b) False
  7. 7.🧭 Which part of a microcontroller board shows the board is on? (a) the pins (b) the USB port (c) the power LED (d) the reset button
  8. 8.🤖 When the main loop of a microcontroller program ends, what happens? (a) the board breaks (b) it starts again (c) it deletes itself (d) it stops forever
  9. 9.Which of these usually has a microcontroller inside? (a) a candle (b) a hand pump (c) a digital alarm clock (d) a plain wall switch
  10. 10.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the pins (b) the main chip (c) the reset button (d) the voltage regulator
  11. 11.Which of these usually has a microcontroller inside? (a) a TV remote (b) a hand pump (c) a bicycle bell (d) a plain wall switch
  12. 12.True or false: a laptop runs one small program. (a) False (b) True
  13. 13.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  14. 14.True or false: a microcontroller runs one small program. (a) False (b) True
  15. 15.Which job is done by the power LED? (a) connect sensors and LEDs (b) brings power and code (c) restarts the program (d) shows the board is on
  16. 16.🧭 Which part of a microcontroller board runs the program? (a) the power LED (b) the reset button (c) the main chip (d) the USB port
  17. 17.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
  18. 18.True or false: a plain wall switch usually has a microcontroller inside. (a) True (b) False
  19. 19.Which of these has no microcontroller inside? (a) a smart watch (b) a candle (c) a microwave oven (d) a digital alarm clock
  20. 20.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  21. 21.True or false: a hand pump has no microcontroller inside. (a) False (b) True
  22. 22.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  23. 23.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a spinning top (c) a washing machine (d) a candle
  24. 24.🤖 What is a microcontroller? (a) a type of battery (b) a kind of bulb (c) a computer on one chip (d) a big desktop computer
  25. 25.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  26. 26.True or false: a microcontroller runs many apps at once. (a) False (b) True
  27. 27.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  28. 28.Which of these usually has a microcontroller inside? (a) a microwave oven (b) a hand pump (c) a candle (d) a wind-up toy
  29. 29.🤖 Where does the board keep its program when the power is off? (a) the USB cable (b) the power LED (c) flash memory (d) the resistor
  30. 30.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the USB port (c) the power LED (d) the voltage regulator
  31. 31.True or false: a microcontroller uses very little power. (a) True (b) False
  32. 32.Which of these usually has a microcontroller inside? (a) a hand pump (b) a spinning top (c) a smart watch (d) a candle
  33. 33.True or false: a TV remote usually has a microcontroller inside. (a) False (b) True
  34. 34.True or false: a laptop uses very little power. (a) False (b) True
  35. 35.True or false: a TV remote has no microcontroller inside. (a) True (b) False
  36. 36.True or false: a spinning top has no microcontroller inside. (a) False (b) True
  37. 37.Which of these has no microcontroller inside? (a) a smart watch (b) a TV remote (c) a hand pump (d) a washing machine
  38. 38.Which of these usually has a microcontroller inside? (a) a toy robot (b) a plain wall switch (c) a wind-up toy (d) a hand pump
  39. 39.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  40. 40.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes

Answer key

  1. laptop
  2. False
  3. False
  4. laptop
  5. the reset button
  6. True
  7. the power LED
  8. it starts again
  9. a digital alarm clock
  10. the pins
  11. a TV remote
  12. False
  13. microcontroller
  14. True
  15. shows the board is on
  16. the main chip
  17. runs the program
  18. False
  19. a candle
  20. Yes
  21. True
  22. microcontroller
  23. a washing machine
  24. a computer on one chip
  25. True
  26. False
  27. Yes
  28. a microwave oven
  29. flash memory
  30. the voltage regulator
  31. True
  32. a smart watch
  33. True
  34. False
  35. False
  36. True
  37. a hand pump
  38. a toy robot
  39. microcontroller
  40. Yes

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