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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 298 · 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.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  3. 3.Which job is done by the reset button? (a) brings power and code (b) runs the program (c) restarts the program (d) connect sensors and LEDs
  4. 4.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  5. 5.Which of these has no microcontroller inside? (a) a spinning top (b) a washing machine (c) a smart watch (d) a TV remote
  6. 6.Which of these has no microcontroller inside? (a) a digital thermometer (b) a digital alarm clock (c) a plain wall switch (d) a washing machine
  7. 7.🤖 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
  8. 8.True or false: a laptop runs one small program. (a) False (b) True
  9. 9.🧭 Which part of a microcontroller board brings power and code? (a) the reset button (b) the main chip (c) the USB port (d) the power LED
  10. 10.Which job is done by the pins? (a) connect sensors and LEDs (b) shows the board is on (c) runs the program (d) brings power and code
  11. 11.🧭 Which part of a microcontroller board runs the program? (a) the voltage regulator (b) the main chip (c) the reset button (d) the power LED
  12. 12.Which job is done by the main chip? (a) keeps the voltage steady (b) restarts the program (c) runs the program (d) brings power and code
  13. 13.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  14. 14.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the voltage regulator (c) the power LED (d) the main chip
  15. 15.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  16. 16.Which job is done by the power LED? (a) connect sensors and LEDs (b) shows the board is on (c) keeps the voltage steady (d) restarts the program
  17. 17.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  18. 18.🤖 Does a spinning top usually have a microcontroller inside? (a) No (b) Yes
  19. 19.Which of these usually has a microcontroller inside? (a) a hand pump (b) a wind-up toy (c) a toy robot (d) a bicycle bell
  20. 20.🤖 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
  21. 21.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
  22. 22.True or false: a microwave oven usually has a microcontroller inside. (a) True (b) False
  23. 23.Which of these has no microcontroller inside? (a) a washing machine (b) a TV remote (c) a candle (d) a microwave oven
  24. 24.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  25. 25.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  26. 26.True or false: a laptop uses very little power. (a) True (b) False
  27. 27.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  28. 28.True or false: a smart watch has no microcontroller inside. (a) True (b) False
  29. 29.🤖 Does a bicycle bell usually have a microcontroller inside? (a) No (b) Yes
  30. 30.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  31. 31.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  32. 32.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True
  33. 33.Which of these usually has a microcontroller inside? (a) a hand pump (b) a washing machine (c) a candle (d) a plain wall switch
  34. 34.True or false: a spinning top has no microcontroller inside. (a) False (b) True
  35. 35.True or false: a microcontroller runs many apps at once. (a) False (b) True
  36. 36.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  37. 37.Which of these usually has a microcontroller inside? (a) a candle (b) a bicycle bell (c) a spinning top (d) a TV remote
  38. 38.True or false: a TV remote has no microcontroller inside. (a) True (b) False
  39. 39.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  40. 40.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No

Answer key

  1. laptop
  2. microcontroller
  3. restarts the program
  4. laptop
  5. a spinning top
  6. a plain wall switch
  7. a computer on one chip
  8. False
  9. the USB port
  10. connect sensors and LEDs
  11. the main chip
  12. runs the program
  13. No
  14. the voltage regulator
  15. False
  16. shows the board is on
  17. Yes
  18. No
  19. a toy robot
  20. USB or a 9 V battery
  21. False
  22. True
  23. a candle
  24. Yes
  25. Yes
  26. False
  27. microcontroller
  28. False
  29. No
  30. No
  31. Yes
  32. True
  33. a washing machine
  34. True
  35. False
  36. No
  37. a TV remote
  38. False
  39. No
  40. Yes

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