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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 666 · 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 voltage regulator? (a) restarts the program (b) keeps the voltage steady (c) shows the board is on (d) runs the program
  2. 2.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  3. 3.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  4. 4.Which of these has no microcontroller inside? (a) a candle (b) a microwave oven (c) a TV remote (d) a digital alarm clock
  5. 5.True or false: a laptop has a built-in keyboard. (a) False (b) True
  6. 6.True or false: a microcontroller has no screen of its own. (a) False (b) True
  7. 7.True or false: a laptop runs many apps at once. (a) True (b) False
  8. 8.Which of these has no microcontroller inside? (a) a smart watch (b) a TV remote (c) a washing machine (d) a spinning top
  9. 9.Which of these has no microcontroller inside? (a) a TV remote (b) a plain wall switch (c) a smart watch (d) a toy robot
  10. 10.🧭 Which part of a microcontroller board shows the board is on? (a) the power LED (b) the voltage regulator (c) the pins (d) the USB port
  11. 11.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the USB port (b) the power LED (c) the reset button (d) the pins
  12. 12.True or false: a bicycle bell usually has a microcontroller inside. (a) True (b) False
  13. 13.True or false: a digital thermometer usually has a microcontroller inside. (a) True (b) False
  14. 14.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) uploaded over USB (c) typed on the chip (d) drawn with a pen
  15. 15.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  16. 16.True or false: a microcontroller runs many apps at once. (a) False (b) True
  17. 17.Which job is done by the pins? (a) connect sensors and LEDs (b) restarts the program (c) runs the program (d) keeps the voltage steady
  18. 18.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  19. 19.Which of these usually has a microcontroller inside? (a) a spinning top (b) a TV remote (c) a candle (d) a wind-up toy
  20. 20.True or false: a microcontroller runs one small program. (a) True (b) False
  21. 21.True or false: a microwave oven has no microcontroller inside. (a) False (b) True
  22. 22.Which of these has no microcontroller inside? (a) a hand pump (b) a digital thermometer (c) a digital alarm clock (d) a toy robot
  23. 23.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  24. 24.🤖 Where does the board keep its program when the power is off? (a) flash memory (b) the resistor (c) the power LED (d) the USB cable
  25. 25.True or false: a microcontroller needs much more power. (a) True (b) False
  26. 26.True or false: a wind-up toy has no microcontroller inside. (a) True (b) False
  27. 27.True or false: a bicycle bell has no microcontroller inside. (a) True (b) False
  28. 28.Which of these usually has a microcontroller inside? (a) a candle (b) a wind-up toy (c) a toy robot (d) a spinning top
  29. 29.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  30. 30.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  31. 31.Which of these usually has a microcontroller inside? (a) a spinning top (b) a plain wall switch (c) a washing machine (d) a candle
  32. 32.Which job is done by the reset button? (a) shows the board is on (b) restarts the program (c) brings power and code (d) keeps the voltage steady
  33. 33.🧭 Which part of a microcontroller board runs the program? (a) the power LED (b) the reset button (c) the main chip (d) the voltage regulator
  34. 34.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  35. 35.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  36. 36.True or false: a laptop has no screen of its own. (a) True (b) False
  37. 37.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  38. 38.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  39. 39.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
  40. 40.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No

Answer key

  1. keeps the voltage steady
  2. laptop
  3. microcontroller
  4. a candle
  5. True
  6. True
  7. True
  8. a spinning top
  9. a plain wall switch
  10. the power LED
  11. the pins
  12. False
  13. True
  14. uploaded over USB
  15. Yes
  16. False
  17. connect sensors and LEDs
  18. microcontroller
  19. a TV remote
  20. True
  21. False
  22. a hand pump
  23. microcontroller
  24. flash memory
  25. False
  26. True
  27. True
  28. a toy robot
  29. Yes
  30. laptop
  31. a washing machine
  32. restarts the program
  33. the main chip
  34. laptop
  35. No
  36. False
  37. False
  38. No
  39. Yes
  40. Yes

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