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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 665 · 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 laptop runs many apps at once. (a) True (b) False
  2. 2.Which job is done by the main chip? (a) connect sensors and LEDs (b) restarts the program (c) runs the program (d) shows the board is on
  3. 3.True or false: a microcontroller runs many apps at once. (a) False (b) True
  4. 4.🧭 Which part of a microcontroller board restarts the program? (a) the voltage regulator (b) the USB port (c) the power LED (d) the reset button
  5. 5.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  6. 6.Which of these has no microcontroller inside? (a) a TV remote (b) a hand pump (c) a toy robot (d) a microwave oven
  7. 7.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  8. 8.True or false: a bicycle bell usually has a microcontroller inside. (a) True (b) False
  9. 9.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the reset button (c) the voltage regulator (d) the power LED
  10. 10.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  11. 11.🤖 Does a spinning top usually have a microcontroller inside? (a) No (b) Yes
  12. 12.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  13. 13.🤖 Does a wind-up toy usually have a microcontroller inside? (a) No (b) Yes
  14. 14.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a candle (c) a plain wall switch (d) a microwave oven
  15. 15.Which of these usually has a microcontroller inside? (a) a toy robot (b) a spinning top (c) a candle (d) a wind-up toy
  16. 16.🤖 What is a microcontroller? (a) a computer on one chip (b) a type of battery (c) a big desktop computer (d) a kind of bulb
  17. 17.True or false: a laptop needs much more power. (a) True (b) False
  18. 18.Which of these has no microcontroller inside? (a) a washing machine (b) a toy robot (c) a bicycle bell (d) a digital thermometer
  19. 19.True or false: a microcontroller runs one small program. (a) False (b) True
  20. 20.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  21. 21.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  22. 22.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) typed on the chip (c) drawn with a pen (d) uploaded over USB
  23. 23.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  24. 24.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  25. 25.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the reset button (b) the voltage regulator (c) the USB port (d) the pins
  26. 26.True or false: a laptop uses very little power. (a) True (b) False
  27. 27.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  28. 28.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  29. 29.Which of these has no microcontroller inside? (a) a spinning top (b) a TV remote (c) a smart watch (d) a digital alarm clock
  30. 30.Which job is done by the USB port? (a) restarts the program (b) shows the board is on (c) brings power and code (d) runs the program
  31. 31.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  32. 32.🤖 Where does the board keep its program when the power is off? (a) the USB cable (b) the power LED (c) flash memory (d) the resistor
  33. 33.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  34. 34.Which job is done by the power LED? (a) shows the board is on (b) restarts the program (c) connect sensors and LEDs (d) keeps the voltage steady
  35. 35.🧭 Which part of a microcontroller board shows the board is on? (a) the main chip (b) the power LED (c) the voltage regulator (d) the reset button
  36. 36.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  37. 37.🧭 Which part of a microcontroller board brings power and code? (a) the reset button (b) the pins (c) the power LED (d) the USB port
  38. 38.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  39. 39.Which of these has no microcontroller inside? (a) a washing machine (b) a microwave oven (c) a digital thermometer (d) a wind-up toy
  40. 40.True or false: a TV remote usually has a microcontroller inside. (a) False (b) True

Answer key

  1. True
  2. runs the program
  3. False
  4. the reset button
  5. No
  6. a hand pump
  7. True
  8. False
  9. the voltage regulator
  10. microcontroller
  11. No
  12. laptop
  13. No
  14. a microwave oven
  15. a toy robot
  16. a computer on one chip
  17. True
  18. a bicycle bell
  19. True
  20. laptop
  21. microcontroller
  22. uploaded over USB
  23. Yes
  24. Yes
  25. the pins
  26. False
  27. microcontroller
  28. False
  29. a spinning top
  30. brings power and code
  31. Yes
  32. flash memory
  33. False
  34. shows the board is on
  35. the power LED
  36. No
  37. the USB port
  38. Yes
  39. a wind-up toy
  40. True

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