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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 374 · 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 runs one small program? (a) microcontroller (b) laptop
  2. 2.Which job is done by the reset button? (a) connect sensors and LEDs (b) keeps the voltage steady (c) brings power and code (d) restarts the program
  3. 3.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a bicycle bell (c) a washing machine (d) a spinning top
  4. 4.Which job is done by the power LED? (a) connect sensors and LEDs (b) shows the board is on (c) runs the program (d) keeps the voltage steady
  5. 5.True or false: a laptop uses very little power. (a) False (b) True
  6. 6.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  7. 7.Which of these has no microcontroller inside? (a) a washing machine (b) a microwave oven (c) a hand pump (d) a smart watch
  8. 8.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  9. 9.Which of these has no microcontroller inside? (a) a candle (b) a washing machine (c) a microwave oven (d) a digital thermometer
  10. 10.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  11. 11.Which of these has no microcontroller inside? (a) a TV remote (b) a toy robot (c) a spinning top (d) a microwave oven
  12. 12.🤖 How does a new program get onto a microcontroller board? (a) typed on the chip (b) drawn with a pen (c) uploaded over USB (d) sent by sound
  13. 13.True or false: a microcontroller runs many apps at once. (a) True (b) False
  14. 14.True or false: a TV remote has no microcontroller inside. (a) False (b) True
  15. 15.🧭 Which part of a microcontroller board brings power and code? (a) the voltage regulator (b) the pins (c) the main chip (d) the USB port
  16. 16.True or false: a laptop runs many apps at once. (a) False (b) True
  17. 17.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  18. 18.True or false: a spinning top usually has a microcontroller inside. (a) True (b) False
  19. 19.🧭 Which part of a microcontroller board runs the program? (a) the reset button (b) the voltage regulator (c) the USB port (d) the main chip
  20. 20.Which of these usually has a microcontroller inside? (a) a hand pump (b) a wind-up toy (c) a toy robot (d) a spinning top
  21. 21.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  22. 22.Which of these usually has a microcontroller inside? (a) a hand pump (b) a wind-up toy (c) a digital alarm clock (d) a candle
  23. 23.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  24. 24.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  25. 25.Which job is done by the voltage regulator? (a) runs the program (b) brings power and code (c) connect sensors and LEDs (d) keeps the voltage steady
  26. 26.🤖 What is a microcontroller? (a) a kind of bulb (b) a computer on one chip (c) a big desktop computer (d) a type of battery
  27. 27.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  28. 28.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a digital thermometer (c) a toy robot (d) a wind-up toy
  29. 29.True or false: a laptop runs one small program. (a) True (b) False
  30. 30.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  31. 31.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  32. 32.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  33. 33.True or false: a hand pump usually has a microcontroller inside. (a) False (b) True
  34. 34.True or false: a microcontroller uses very little power. (a) False (b) True
  35. 35.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a digital thermometer (c) a bicycle bell (d) a candle
  36. 36.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True
  37. 37.Which job is done by the main chip? (a) shows the board is on (b) runs the program (c) brings power and code (d) restarts the program
  38. 38.Which job is done by the USB port? (a) runs the program (b) restarts the program (c) shows the board is on (d) brings power and code
  39. 39.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  40. 40.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No

Answer key

  1. microcontroller
  2. restarts the program
  3. a washing machine
  4. shows the board is on
  5. False
  6. No
  7. a hand pump
  8. False
  9. a candle
  10. microcontroller
  11. a spinning top
  12. uploaded over USB
  13. False
  14. False
  15. the USB port
  16. True
  17. Yes
  18. False
  19. the main chip
  20. a toy robot
  21. Yes
  22. a digital alarm clock
  23. laptop
  24. No
  25. keeps the voltage steady
  26. a computer on one chip
  27. laptop
  28. a wind-up toy
  29. False
  30. No
  31. True
  32. No
  33. False
  34. True
  35. a digital thermometer
  36. True
  37. runs the program
  38. brings power and code
  39. Yes
  40. Yes

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