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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 610 · 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 runs one small program. (a) False (b) True
  2. 2.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) typed on the chip (c) sent by sound (d) uploaded over USB
  3. 3.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the main chip (b) the reset button (c) the voltage regulator (d) the USB port
  4. 4.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  5. 5.Which job is done by the voltage regulator? (a) runs the program (b) brings power and code (c) keeps the voltage steady (d) connect sensors and LEDs
  6. 6.🤖 Does a spinning top usually have a microcontroller inside? (a) No (b) Yes
  7. 7.Which job is done by the USB port? (a) brings power and code (b) restarts the program (c) connect sensors and LEDs (d) runs the program
  8. 8.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  9. 9.True or false: a microcontroller runs many apps at once. (a) False (b) True
  10. 10.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  11. 11.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  12. 12.Which of these usually has a microcontroller inside? (a) a hand pump (b) a spinning top (c) a bicycle bell (d) a toy robot
  13. 13.🤖 What is a microcontroller? (a) a kind of bulb (b) a big desktop computer (c) a type of battery (d) a computer on one chip
  14. 14.True or false: a laptop uses very little power. (a) True (b) False
  15. 15.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  16. 16.🤖 Where does the board keep its program when the power is off? (a) the USB cable (b) flash memory (c) the resistor (d) the power LED
  17. 17.True or false: a hand pump has no microcontroller inside. (a) True (b) False
  18. 18.Which job is done by the pins? (a) restarts the program (b) connect sensors and LEDs (c) brings power and code (d) runs the program
  19. 19.True or false: a wind-up toy has no microcontroller inside. (a) False (b) True
  20. 20.Which of these has no microcontroller inside? (a) a bicycle bell (b) a digital thermometer (c) a microwave oven (d) a smart watch
  21. 21.🧭 Which part of a microcontroller board runs the program? (a) the main chip (b) the USB port (c) the pins (d) the power LED
  22. 22.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
  23. 23.Which of these has no microcontroller inside? (a) a hand pump (b) a digital thermometer (c) a TV remote (d) a toy robot
  24. 24.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  25. 25.True or false: a candle has no microcontroller inside. (a) False (b) True
  26. 26.True or false: a microcontroller uses very little power. (a) True (b) False
  27. 27.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  28. 28.True or false: a plain wall switch has no microcontroller inside. (a) False (b) True
  29. 29.Which job is done by the reset button? (a) keeps the voltage steady (b) restarts the program (c) shows the board is on (d) runs the program
  30. 30.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  31. 31.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a hand pump (c) a smart watch (d) a bicycle bell
  32. 32.True or false: a bicycle bell usually has a microcontroller inside. (a) True (b) False
  33. 33.Which of these has no microcontroller inside? (a) a microwave oven (b) a toy robot (c) a candle (d) a TV remote
  34. 34.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  35. 35.True or false: a toy robot usually has a microcontroller inside. (a) True (b) False
  36. 36.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  37. 37.🧭 Which part of a microcontroller board restarts the program? (a) the power LED (b) the USB port (c) the reset button (d) the main chip
  38. 38.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  39. 39.Which of these has no microcontroller inside? (a) a digital thermometer (b) a smart watch (c) a wind-up toy (d) a toy robot
  40. 40.Which of these usually has a microcontroller inside? (a) a spinning top (b) a washing machine (c) a bicycle bell (d) a wind-up toy

Answer key

  1. True
  2. uploaded over USB
  3. the voltage regulator
  4. No
  5. keeps the voltage steady
  6. No
  7. brings power and code
  8. laptop
  9. False
  10. Yes
  11. No
  12. a toy robot
  13. a computer on one chip
  14. False
  15. Yes
  16. flash memory
  17. True
  18. connect sensors and LEDs
  19. True
  20. a bicycle bell
  21. the main chip
  22. False
  23. a hand pump
  24. laptop
  25. True
  26. True
  27. microcontroller
  28. True
  29. restarts the program
  30. microcontroller
  31. a smart watch
  32. False
  33. a candle
  34. Yes
  35. True
  36. laptop
  37. the reset button
  38. Yes
  39. a wind-up toy
  40. a washing machine

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