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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 612 · 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 pins? (a) connect sensors and LEDs (b) restarts the program (c) brings power and code (d) runs the program
  2. 2.True or false: a bicycle bell has no microcontroller inside. (a) False (b) True
  3. 3.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  4. 4.Which of these usually has a microcontroller inside? (a) a candle (b) a digital alarm clock (c) a spinning top (d) a hand pump
  5. 5.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  6. 6.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  7. 7.True or false: a candle usually has a microcontroller inside. (a) True (b) False
  8. 8.Which job is done by the power LED? (a) restarts the program (b) shows the board is on (c) brings power and code (d) keeps the voltage steady
  9. 9.True or false: a microcontroller runs one small program. (a) False (b) True
  10. 10.True or false: a hand pump usually has a microcontroller inside. (a) False (b) True
  11. 11.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a hand pump (c) a microwave oven (d) a bicycle bell
  12. 12.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  13. 13.Which job is done by the USB port? (a) keeps the voltage steady (b) runs the program (c) brings power and code (d) shows the board is on
  14. 14.🧭 Which part of a microcontroller board restarts the program? (a) the main chip (b) the reset button (c) the power LED (d) the USB port
  15. 15.Which job is done by the main chip? (a) shows the board is on (b) runs the program (c) connect sensors and LEDs (d) brings power and code
  16. 16.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the voltage regulator (b) the pins (c) the USB port (d) the power LED
  17. 17.True or false: a hand pump has no microcontroller inside. (a) True (b) False
  18. 18.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  19. 19.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a spinning top (c) a wind-up toy (d) a digital thermometer
  20. 20.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  21. 21.Which of these usually has a microcontroller inside? (a) a candle (b) a spinning top (c) a wind-up toy (d) a TV remote
  22. 22.🧭 Which part of a microcontroller board brings power and code? (a) the main chip (b) the reset button (c) the USB port (d) the power LED
  23. 23.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  24. 24.Which of these usually has a microcontroller inside? (a) a smart watch (b) a spinning top (c) a candle (d) a wind-up toy
  25. 25.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
  26. 26.Which of these has no microcontroller inside? (a) a microwave oven (b) a digital alarm clock (c) a candle (d) a digital thermometer
  27. 27.🧭 Which part of a microcontroller board shows the board is on? (a) the USB port (b) the pins (c) the main chip (d) the power LED
  28. 28.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  29. 29.True or false: a microcontroller runs many apps at once. (a) True (b) False
  30. 30.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  31. 31.🤖 Where does the board keep its program when the power is off? (a) the power LED (b) the resistor (c) the USB cable (d) flash memory
  32. 32.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  33. 33.True or false: a laptop needs much more power. (a) False (b) True
  34. 34.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True
  35. 35.Which job is done by the voltage regulator? (a) shows the board is on (b) connect sensors and LEDs (c) keeps the voltage steady (d) brings power and code
  36. 36.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  37. 37.True or false: a laptop has no screen of its own. (a) False (b) True
  38. 38.🤖 What is a microcontroller? (a) a type of battery (b) a kind of bulb (c) a big desktop computer (d) a computer on one chip
  39. 39.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  40. 40.True or false: a wind-up toy has no microcontroller inside. (a) True (b) False

Answer key

  1. connect sensors and LEDs
  2. True
  3. laptop
  4. a digital alarm clock
  5. No
  6. microcontroller
  7. False
  8. shows the board is on
  9. True
  10. False
  11. a microwave oven
  12. microcontroller
  13. brings power and code
  14. the reset button
  15. runs the program
  16. the pins
  17. True
  18. Yes
  19. a digital thermometer
  20. False
  21. a TV remote
  22. the USB port
  23. True
  24. a smart watch
  25. Yes
  26. a candle
  27. the power LED
  28. No
  29. False
  30. microcontroller
  31. flash memory
  32. Yes
  33. True
  34. True
  35. keeps the voltage steady
  36. No
  37. False
  38. a computer on one chip
  39. Yes
  40. True

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