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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 278 · 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 USB port? (a) connect sensors and LEDs (b) keeps the voltage steady (c) brings power and code (d) runs the program
  2. 2.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a smart watch (c) a hand pump (d) a TV remote
  3. 3.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a bicycle bell (c) a candle (d) a TV remote
  4. 4.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  5. 5.True or false: a microcontroller has no screen of its own. (a) True (b) False
  6. 6.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  7. 7.True or false: a smart watch has no microcontroller inside. (a) False (b) True
  8. 8.Which of these usually has a microcontroller inside? (a) a candle (b) a plain wall switch (c) a wind-up toy (d) a smart watch
  9. 9.🧭 Which part of a microcontroller board brings power and code? (a) the pins (b) the voltage regulator (c) the USB port (d) the power LED
  10. 10.True or false: a laptop uses very little power. (a) True (b) False
  11. 11.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  12. 12.Which job is done by the power LED? (a) brings power and code (b) shows the board is on (c) connect sensors and LEDs (d) keeps the voltage steady
  13. 13.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  14. 14.🤖 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
  15. 15.True or false: a laptop runs many apps at once. (a) True (b) False
  16. 16.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  17. 17.True or false: a hand pump usually has a microcontroller inside. (a) True (b) False
  18. 18.True or false: a hand pump has no microcontroller inside. (a) True (b) False
  19. 19.True or false: a digital alarm clock has no microcontroller inside. (a) False (b) True
  20. 20.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  21. 21.True or false: a toy robot has no microcontroller inside. (a) True (b) False
  22. 22.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  23. 23.True or false: a microcontroller runs one small program. (a) True (b) False
  24. 24.🧭 Which part of a microcontroller board shows the board is on? (a) the USB port (b) the pins (c) the reset button (d) the power LED
  25. 25.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) drawn with a pen (c) uploaded over USB (d) typed on the chip
  26. 26.🧭 Which part of a microcontroller board runs the program? (a) the USB port (b) the reset button (c) the pins (d) the main chip
  27. 27.True or false: a microcontroller runs many apps at once. (a) True (b) False
  28. 28.Which job is done by the reset button? (a) connect sensors and LEDs (b) shows the board is on (c) restarts the program (d) brings power and code
  29. 29.True or false: a laptop has a built-in keyboard. (a) False (b) True
  30. 30.True or false: a laptop needs much more power. (a) True (b) False
  31. 31.🤖 When the main loop of a microcontroller program ends, what happens? (a) it stops forever (b) the board breaks (c) it starts again (d) it deletes itself
  32. 32.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a hand pump (c) a bicycle bell (d) a digital alarm clock
  33. 33.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  34. 34.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  35. 35.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  36. 36.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  37. 37.🤖 Does a wind-up toy usually have a microcontroller inside? (a) No (b) Yes
  38. 38.Which of these has no microcontroller inside? (a) a digital thermometer (b) a toy robot (c) a washing machine (d) a plain wall switch
  39. 39.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the pins (b) the main chip (c) the voltage regulator (d) the USB port
  40. 40.True or false: a candle usually has a microcontroller inside. (a) True (b) False

Answer key

  1. brings power and code
  2. a hand pump
  3. a TV remote
  4. laptop
  5. True
  6. microcontroller
  7. False
  8. a smart watch
  9. the USB port
  10. False
  11. microcontroller
  12. shows the board is on
  13. microcontroller
  14. a computer on one chip
  15. True
  16. laptop
  17. False
  18. True
  19. False
  20. True
  21. False
  22. Yes
  23. True
  24. the power LED
  25. uploaded over USB
  26. the main chip
  27. False
  28. restarts the program
  29. True
  30. True
  31. it starts again
  32. a digital alarm clock
  33. laptop
  34. Yes
  35. False
  36. Yes
  37. No
  38. a plain wall switch
  39. the pins
  40. False

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