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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 433 · 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) False (b) True
  2. 2.Which job is done by the reset button? (a) runs the program (b) shows the board is on (c) restarts the program (d) keeps the voltage steady
  3. 3.Which of these has no microcontroller inside? (a) a candle (b) a TV remote (c) a smart watch (d) a microwave oven
  4. 4.Which of these usually has a microcontroller inside? (a) a hand pump (b) a spinning top (c) a TV remote (d) a plain wall switch
  5. 5.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  6. 6.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  7. 7.True or false: a plain wall switch usually has a microcontroller inside. (a) False (b) True
  8. 8.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) uploaded over USB (c) typed on the chip (d) drawn with a pen
  9. 9.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  10. 10.🤖 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
  11. 11.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  12. 12.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the main chip (b) the voltage regulator (c) the pins (d) the USB port
  13. 13.True or false: a microcontroller has no screen of its own. (a) True (b) False
  14. 14.🧭 Which part of a microcontroller board brings power and code? (a) the USB port (b) the reset button (c) the voltage regulator (d) the power LED
  15. 15.Which of these has no microcontroller inside? (a) a wind-up toy (b) a microwave oven (c) a washing machine (d) a digital alarm clock
  16. 16.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the power LED (c) the reset button (d) the voltage regulator
  17. 17.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  18. 18.🤖 Does a wind-up toy usually have a microcontroller inside? (a) No (b) Yes
  19. 19.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  20. 20.🧭 Which part of a microcontroller board restarts the program? (a) the main chip (b) the pins (c) the power LED (d) the reset button
  21. 21.Which of these has no microcontroller inside? (a) a washing machine (b) a bicycle bell (c) a smart watch (d) a TV remote
  22. 22.True or false: a bicycle bell has no microcontroller inside. (a) False (b) True
  23. 23.🧭 Which part of a microcontroller board shows the board is on? (a) the voltage regulator (b) the reset button (c) the power LED (d) the pins
  24. 24.Which job is done by the pins? (a) keeps the voltage steady (b) brings power and code (c) connect sensors and LEDs (d) restarts the program
  25. 25.🤖 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
  26. 26.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  27. 27.🧭 Which part of a microcontroller board runs the program? (a) the pins (b) the main chip (c) the power LED (d) the reset button
  28. 28.Which job is done by the voltage regulator? (a) runs the program (b) restarts the program (c) keeps the voltage steady (d) connect sensors and LEDs
  29. 29.Which job is done by the main chip? (a) shows the board is on (b) connect sensors and LEDs (c) runs the program (d) restarts the program
  30. 30.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  31. 31.True or false: a digital thermometer usually has a microcontroller inside. (a) False (b) True
  32. 32.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  33. 33.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  34. 34.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  35. 35.True or false: a digital alarm clock usually has a microcontroller inside. (a) False (b) True
  36. 36.🤖 When the main loop of a microcontroller program ends, what happens? (a) it stops forever (b) it deletes itself (c) the board breaks (d) it starts again
  37. 37.Which of these usually has a microcontroller inside? (a) a candle (b) a plain wall switch (c) a washing machine (d) a wind-up toy
  38. 38.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  39. 39.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  40. 40.Which of these has no microcontroller inside? (a) a washing machine (b) a digital alarm clock (c) a microwave oven (d) a spinning top

Answer key

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

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