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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 236 · 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.True or false: a toy robot usually has a microcontroller inside. (a) True (b) False
  2. 2.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the pins (b) the USB port (c) the voltage regulator (d) the power LED
  3. 3.True or false: a spinning top has no microcontroller inside. (a) True (b) False
  4. 4.Which job is done by the USB port? (a) connect sensors and LEDs (b) brings power and code (c) restarts the program (d) keeps the voltage steady
  5. 5.True or false: a candle usually has a microcontroller inside. (a) True (b) False
  6. 6.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  7. 7.True or false: a toy robot has no microcontroller inside. (a) True (b) False
  8. 8.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  9. 9.🤖 When the main loop of a microcontroller program ends, what happens? (a) it deletes itself (b) it starts again (c) it stops forever (d) the board breaks
  10. 10.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  11. 11.True or false: a bicycle bell usually has a microcontroller inside. (a) False (b) True
  12. 12.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  13. 13.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  14. 14.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  15. 15.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
  16. 16.Which of these has no microcontroller inside? (a) a washing machine (b) a toy robot (c) a bicycle bell (d) a microwave oven
  17. 17.🧭 Which part of a microcontroller board brings power and code? (a) the pins (b) the power LED (c) the main chip (d) the USB port
  18. 18.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  19. 19.True or false: a microcontroller runs many apps at once. (a) False (b) True
  20. 20.Which of these has no microcontroller inside? (a) a spinning top (b) a washing machine (c) a TV remote (d) a digital alarm clock
  21. 21.🤖 Where does the board keep its program when the power is off? (a) the resistor (b) the USB cable (c) flash memory (d) the power LED
  22. 22.Which of these has no microcontroller inside? (a) a digital thermometer (b) a TV remote (c) a plain wall switch (d) a toy robot
  23. 23.True or false: a laptop runs one small program. (a) True (b) False
  24. 24.🤖 Microcontroller or laptop: which one needs much more power? (a) laptop (b) microcontroller
  25. 25.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  26. 26.Which of these has no microcontroller inside? (a) a candle (b) a washing machine (c) a digital thermometer (d) a microwave oven
  27. 27.🧭 Which part of a microcontroller board shows the board is on? (a) the main chip (b) the power LED (c) the reset button (d) the pins
  28. 28.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the voltage regulator (c) the power LED (d) the reset button
  29. 29.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes
  30. 30.Which of these usually has a microcontroller inside? (a) a candle (b) a wind-up toy (c) a plain wall switch (d) a smart watch
  31. 31.True or false: a microcontroller has no screen of its own. (a) True (b) False
  32. 32.True or false: a hand pump usually has a microcontroller inside. (a) True (b) False
  33. 33.Which job is done by the power LED? (a) connect sensors and LEDs (b) runs the program (c) shows the board is on (d) keeps the voltage steady
  34. 34.True or false: a laptop runs many apps at once. (a) True (b) False
  35. 35.Which job is done by the voltage regulator? (a) runs the program (b) keeps the voltage steady (c) connect sensors and LEDs (d) restarts the program
  36. 36.🧭 Which part of a microcontroller board restarts the program? (a) the main chip (b) the power LED (c) the voltage regulator (d) the reset button
  37. 37.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  38. 38.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  39. 39.🤖 What is a microcontroller? (a) a kind of bulb (b) a computer on one chip (c) a type of battery (d) a big desktop computer
  40. 40.🧭 Which part of a microcontroller board runs the program? (a) the USB port (b) the voltage regulator (c) the power LED (d) the main chip

Answer key

  1. True
  2. the pins
  3. True
  4. brings power and code
  5. False
  6. laptop
  7. False
  8. No
  9. it starts again
  10. microcontroller
  11. False
  12. False
  13. No
  14. microcontroller
  15. False
  16. a bicycle bell
  17. the USB port
  18. Yes
  19. False
  20. a spinning top
  21. flash memory
  22. a plain wall switch
  23. False
  24. laptop
  25. Yes
  26. a candle
  27. the power LED
  28. the voltage regulator
  29. Yes
  30. a smart watch
  31. True
  32. False
  33. shows the board is on
  34. True
  35. keeps the voltage steady
  36. the reset button
  37. microcontroller
  38. Yes
  39. a computer on one chip
  40. the main chip

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