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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 156 · 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 part of a microcontroller board runs the program? (a) the voltage regulator (b) the power LED (c) the pins (d) the main chip
  2. 2.True or false: a microcontroller uses very little power. (a) True (b) False
  3. 3.True or false: a TV remote has no microcontroller inside. (a) False (b) True
  4. 4.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  5. 5.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  6. 6.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  7. 7.True or false: a toy robot has no microcontroller inside. (a) True (b) False
  8. 8.Which job is done by the voltage regulator? (a) connect sensors and LEDs (b) restarts the program (c) brings power and code (d) keeps the voltage steady
  9. 9.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  10. 10.True or false: a microcontroller has no screen of its own. (a) True (b) False
  11. 11.🧭 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
  12. 12.Which of these usually has a microcontroller inside? (a) a toy robot (b) a spinning top (c) a candle (d) a hand pump
  13. 13.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  14. 14.🧭 Which part of a microcontroller board shows the board is on? (a) the pins (b) the main chip (c) the power LED (d) the voltage regulator
  15. 15.🤖 What is a microcontroller? (a) a big desktop computer (b) a computer on one chip (c) a type of battery (d) a kind of bulb
  16. 16.🧭 Which part of a microcontroller board brings power and code? (a) the pins (b) the main chip (c) the USB port (d) the reset button
  17. 17.🤖 Where does the board keep its program when the power is off? (a) the resistor (b) the power LED (c) flash memory (d) the USB cable
  18. 18.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  19. 19.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a toy robot (c) a smart watch (d) a hand pump
  20. 20.Which job is done by the power LED? (a) keeps the voltage steady (b) runs the program (c) shows the board is on (d) restarts the program
  21. 21.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the USB port (b) the pins (c) the main chip (d) the power LED
  22. 22.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  23. 23.True or false: a digital thermometer usually has a microcontroller inside. (a) False (b) True
  24. 24.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the voltage regulator (c) the main chip (d) the USB port
  25. 25.Which of these usually has a microcontroller inside? (a) a hand pump (b) a candle (c) a bicycle bell (d) a digital thermometer
  26. 26.True or false: a hand pump has no microcontroller inside. (a) False (b) True
  27. 27.Which job is done by the USB port? (a) brings power and code (b) keeps the voltage steady (c) runs the program (d) connect sensors and LEDs
  28. 28.True or false: a washing machine has no microcontroller inside. (a) False (b) True
  29. 29.True or false: a laptop runs many apps at once. (a) False (b) True
  30. 30.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  31. 31.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a microwave oven (c) a candle (d) a hand pump
  32. 32.True or false: a digital alarm clock has no microcontroller inside. (a) False (b) True
  33. 33.True or false: a digital thermometer has no microcontroller inside. (a) False (b) True
  34. 34.True or false: a wind-up toy has no microcontroller inside. (a) True (b) False
  35. 35.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  36. 36.Which job is done by the main chip? (a) runs the program (b) restarts the program (c) brings power and code (d) connect sensors and LEDs
  37. 37.Which of these has no microcontroller inside? (a) a TV remote (b) a washing machine (c) a toy robot (d) a candle
  38. 38.True or false: a bicycle bell usually has a microcontroller inside. (a) True (b) False
  39. 39.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  40. 40.True or false: a laptop needs much more power. (a) True (b) False

Answer key

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

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