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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 572 · 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.

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

Answer key

  1. microcontroller
  2. the USB port
  3. a bicycle bell
  4. Yes
  5. a computer on one chip
  6. True
  7. microcontroller
  8. True
  9. the voltage regulator
  10. shows the board is on
  11. the power LED
  12. No
  13. a washing machine
  14. microcontroller
  15. a digital alarm clock
  16. True
  17. No
  18. the pins
  19. False
  20. uploaded over USB
  21. laptop
  22. False
  23. the reset button
  24. False
  25. USB or a 9 V battery
  26. laptop
  27. a spinning top
  28. No
  29. True
  30. True
  31. Yes
  32. True
  33. a smart watch
  34. a candle
  35. False
  36. the main chip
  37. Yes
  38. False
  39. True
  40. runs the program

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