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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 146 · 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.True or false: a microcontroller uses very little power. (a) False (b) True
  2. 2.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the reset button (b) the power LED (c) the USB port (d) the voltage regulator
  3. 3.True or false: a laptop has a built-in keyboard. (a) False (b) True
  4. 4.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  5. 5.Which of these has no microcontroller inside? (a) a washing machine (b) a candle (c) a toy robot (d) a digital alarm clock
  6. 6.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a spinning top (c) a smart watch (d) a microwave oven
  7. 7.True or false: a digital alarm clock usually has a microcontroller inside. (a) False (b) True
  8. 8.Which job is done by the reset button? (a) runs the program (b) restarts the program (c) brings power and code (d) connect sensors and LEDs
  9. 9.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  10. 10.True or false: a bicycle bell usually has a microcontroller inside. (a) True (b) False
  11. 11.True or false: a laptop needs much more power. (a) True (b) False
  12. 12.🧭 Which part of a microcontroller board runs the program? (a) the pins (b) the USB port (c) the reset button (d) the main chip
  13. 13.True or false: a smart watch has no microcontroller inside. (a) False (b) True
  14. 14.Which of these usually has a microcontroller inside? (a) a microwave oven (b) a candle (c) a spinning top (d) a wind-up toy
  15. 15.True or false: a bicycle bell has no microcontroller inside. (a) True (b) False
  16. 16.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  17. 17.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a hand pump (c) a microwave oven (d) a TV remote
  18. 18.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the power LED (b) the USB port (c) the voltage regulator (d) the pins
  19. 19.🤖 Does a bicycle bell usually have a microcontroller inside? (a) No (b) Yes
  20. 20.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  21. 21.🤖 What is a microcontroller? (a) a big desktop computer (b) a kind of bulb (c) a computer on one chip (d) a type of battery
  22. 22.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a spinning top (c) a smart watch (d) a candle
  23. 23.Which job is done by the voltage regulator? (a) shows the board is on (b) brings power and code (c) connect sensors and LEDs (d) keeps the voltage steady
  24. 24.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  25. 25.True or false: a spinning top has no microcontroller inside. (a) False (b) True
  26. 26.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  27. 27.🤖 How does a new program get onto a microcontroller board? (a) typed on the chip (b) drawn with a pen (c) sent by sound (d) uploaded over USB
  28. 28.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  29. 29.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  30. 30.True or false: a laptop uses very little power. (a) False (b) True
  31. 31.True or false: a plain wall switch has no microcontroller inside. (a) False (b) True
  32. 32.🧭 Which part of a microcontroller board brings power and code? (a) the pins (b) the voltage regulator (c) the main chip (d) the USB port
  33. 33.True or false: a laptop runs many apps at once. (a) False (b) True
  34. 34.🤖 Where does the board keep its program when the power is off? (a) the USB cable (b) the power LED (c) the resistor (d) flash memory
  35. 35.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  36. 36.True or false: a microcontroller needs much more power. (a) True (b) False
  37. 37.Which of these usually has a microcontroller inside? (a) a hand pump (b) a plain wall switch (c) a candle (d) a toy robot
  38. 38.🤖 Which is a safe power source for a beginner microcontroller board? (a) a wall socket directly (b) a 230 V cable (c) USB or a 9 V battery (d) bare mains wires
  39. 39.True or false: a hand pump has no microcontroller inside. (a) False (b) True
  40. 40.Which of these usually has a microcontroller inside? (a) a TV remote (b) a wind-up toy (c) a hand pump (d) a bicycle bell

Answer key

  1. True
  2. the voltage regulator
  3. True
  4. microcontroller
  5. a candle
  6. a spinning top
  7. True
  8. restarts the program
  9. Yes
  10. False
  11. True
  12. the main chip
  13. False
  14. a microwave oven
  15. True
  16. microcontroller
  17. a hand pump
  18. the pins
  19. No
  20. laptop
  21. a computer on one chip
  22. a smart watch
  23. keeps the voltage steady
  24. No
  25. True
  26. Yes
  27. uploaded over USB
  28. Yes
  29. No
  30. False
  31. True
  32. the USB port
  33. True
  34. flash memory
  35. No
  36. False
  37. a toy robot
  38. USB or a 9 V battery
  39. True
  40. a TV remote

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