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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 476 · 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.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  2. 2.Which of these has no microcontroller inside? (a) a toy robot (b) a washing machine (c) a digital thermometer (d) a hand pump
  3. 3.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) uploaded over USB (c) drawn with a pen (d) typed on the chip
  4. 4.🤖 Microcontroller or laptop: which one needs much more power? (a) laptop (b) microcontroller
  5. 5.🧭 Which part of a microcontroller board runs the program? (a) the reset button (b) the pins (c) the USB port (d) the main chip
  6. 6.🤖 Where does the board keep its program when the power is off? (a) the power LED (b) the resistor (c) flash memory (d) the USB cable
  7. 7.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  8. 8.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  9. 9.True or false: a digital thermometer has no microcontroller inside. (a) False (b) True
  10. 10.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the USB port (b) the main chip (c) the pins (d) the voltage regulator
  11. 11.🧭 Which part of a microcontroller board brings power and code? (a) the power LED (b) the voltage regulator (c) the main chip (d) the USB port
  12. 12.🤖 Does a spinning top usually have a microcontroller inside? (a) No (b) Yes
  13. 13.True or false: a toy robot usually has a microcontroller inside. (a) True (b) False
  14. 14.Which of these has no microcontroller inside? (a) a digital thermometer (b) a TV remote (c) a toy robot (d) a candle
  15. 15.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  16. 16.🧭 Which part of a microcontroller board shows the board is on? (a) the power LED (b) the voltage regulator (c) the USB port (d) the pins
  17. 17.Which of these has no microcontroller inside? (a) a microwave oven (b) a smart watch (c) a bicycle bell (d) a digital alarm clock
  18. 18.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
  19. 19.True or false: a plain wall switch has no microcontroller inside. (a) True (b) False
  20. 20.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a TV remote (c) a spinning top (d) a digital thermometer
  21. 21.True or false: a candle usually has a microcontroller inside. (a) True (b) False
  22. 22.Which of these has no microcontroller inside? (a) a wind-up toy (b) a smart watch (c) a washing machine (d) a toy robot
  23. 23.True or false: a digital thermometer usually has a microcontroller inside. (a) True (b) False
  24. 24.True or false: a microcontroller uses very little power. (a) False (b) True
  25. 25.True or false: a microcontroller needs much more power. (a) True (b) False
  26. 26.Which job is done by the reset button? (a) shows the board is on (b) keeps the voltage steady (c) connect sensors and LEDs (d) restarts the program
  27. 27.Which job is done by the pins? (a) runs the program (b) shows the board is on (c) connect sensors and LEDs (d) keeps the voltage steady
  28. 28.Which of these usually has a microcontroller inside? (a) a candle (b) a microwave oven (c) a bicycle bell (d) a wind-up toy
  29. 29.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  30. 30.Which of these usually has a microcontroller inside? (a) a spinning top (b) a digital alarm clock (c) a bicycle bell (d) a candle
  31. 31.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  32. 32.🤖 When the main loop of a microcontroller program ends, what happens? (a) the board breaks (b) it starts again (c) it deletes itself (d) it stops forever
  33. 33.Which job is done by the USB port? (a) brings power and code (b) runs the program (c) restarts the program (d) keeps the voltage steady
  34. 34.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  35. 35.🧭 Which part of a microcontroller board restarts the program? (a) the USB port (b) the pins (c) the voltage regulator (d) the reset button
  36. 36.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a spinning top (c) a hand pump (d) a TV remote
  37. 37.Which job is done by the voltage regulator? (a) connect sensors and LEDs (b) keeps the voltage steady (c) runs the program (d) shows the board is on
  38. 38.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a smart watch (c) a candle (d) a bicycle bell
  39. 39.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the power LED (b) the pins (c) the main chip (d) the voltage regulator
  40. 40.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No

Answer key

  1. microcontroller
  2. a hand pump
  3. uploaded over USB
  4. laptop
  5. the main chip
  6. flash memory
  7. Yes
  8. Yes
  9. False
  10. the pins
  11. the USB port
  12. No
  13. True
  14. a candle
  15. microcontroller
  16. the power LED
  17. a bicycle bell
  18. False
  19. True
  20. a spinning top
  21. False
  22. a wind-up toy
  23. True
  24. True
  25. False
  26. restarts the program
  27. connect sensors and LEDs
  28. a microwave oven
  29. No
  30. a digital alarm clock
  31. Yes
  32. it starts again
  33. brings power and code
  34. Yes
  35. the reset button
  36. a TV remote
  37. keeps the voltage steady
  38. a smart watch
  39. the voltage regulator
  40. Yes

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