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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 674 · 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.🤖 What is a microcontroller? (a) a kind of bulb (b) a type of battery (c) a computer on one chip (d) a big desktop computer
  2. 2.Which of these usually has a microcontroller inside? (a) a TV remote (b) a wind-up toy (c) a hand pump (d) a plain wall switch
  3. 3.True or false: a laptop runs many apps at once. (a) False (b) True
  4. 4.🤖 Does a spinning top usually have a microcontroller inside? (a) No (b) Yes
  5. 5.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  6. 6.True or false: a microcontroller has no screen of its own. (a) True (b) False
  7. 7.Which of these usually has a microcontroller inside? (a) a spinning top (b) a washing machine (c) a hand pump (d) a wind-up toy
  8. 8.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  9. 9.True or false: a laptop runs one small program. (a) True (b) False
  10. 10.True or false: a microwave oven has no microcontroller inside. (a) True (b) False
  11. 11.🤖 When the main loop of a microcontroller program ends, what happens? (a) it deletes itself (b) it starts again (c) it stops forever (d) the board breaks
  12. 12.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  13. 13.Which of these has no microcontroller inside? (a) a candle (b) a digital thermometer (c) a microwave oven (d) a TV remote
  14. 14.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  15. 15.Which of these usually has a microcontroller inside? (a) a candle (b) a hand pump (c) a plain wall switch (d) a microwave oven
  16. 16.🧭 Which part of a microcontroller board restarts the program? (a) the power LED (b) the voltage regulator (c) the reset button (d) the main chip
  17. 17.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  18. 18.Which job is done by the pins? (a) brings power and code (b) runs the program (c) connect sensors and LEDs (d) keeps the voltage steady
  19. 19.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  20. 20.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  21. 21.🧭 Which part of a microcontroller board shows the board is on? (a) the main chip (b) the reset button (c) the power LED (d) the USB port
  22. 22.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True
  23. 23.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  24. 24.Which of these has no microcontroller inside? (a) a TV remote (b) a plain wall switch (c) a microwave oven (d) a washing machine
  25. 25.True or false: a laptop needs much more power. (a) False (b) True
  26. 26.True or false: a laptop uses very little power. (a) True (b) False
  27. 27.🤖 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
  28. 28.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  29. 29.Which job is done by the USB port? (a) runs the program (b) shows the board is on (c) connect sensors and LEDs (d) brings power and code
  30. 30.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  31. 31.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the voltage regulator (b) the reset button (c) the power LED (d) the pins
  32. 32.True or false: a digital alarm clock has no microcontroller inside. (a) True (b) False
  33. 33.Which job is done by the power LED? (a) restarts the program (b) brings power and code (c) shows the board is on (d) runs the program
  34. 34.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  35. 35.True or false: a microcontroller runs many apps at once. (a) False (b) True
  36. 36.True or false: a digital thermometer has no microcontroller inside. (a) True (b) False
  37. 37.True or false: a hand pump usually has a microcontroller inside. (a) False (b) True
  38. 38.True or false: a laptop has no screen of its own. (a) True (b) False
  39. 39.Which job is done by the main chip? (a) shows the board is on (b) keeps the voltage steady (c) restarts the program (d) runs the program
  40. 40.True or false: a wind-up toy has no microcontroller inside. (a) True (b) False

Answer key

  1. a computer on one chip
  2. a TV remote
  3. True
  4. No
  5. Yes
  6. True
  7. a washing machine
  8. Yes
  9. False
  10. False
  11. it starts again
  12. microcontroller
  13. a candle
  14. laptop
  15. a microwave oven
  16. the reset button
  17. Yes
  18. connect sensors and LEDs
  19. laptop
  20. False
  21. the power LED
  22. True
  23. No
  24. a plain wall switch
  25. True
  26. False
  27. uploaded over USB
  28. microcontroller
  29. brings power and code
  30. Yes
  31. the pins
  32. False
  33. shows the board is on
  34. Yes
  35. False
  36. False
  37. False
  38. False
  39. runs the program
  40. True

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