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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 562 · 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.🤖 Microcontroller or laptop: which one needs much more power? (a) laptop (b) microcontroller
  2. 2.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  3. 3.True or false: a laptop needs much more power. (a) False (b) True
  4. 4.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  5. 5.Which job is done by the reset button? (a) brings power and code (b) runs the program (c) restarts the program (d) keeps the voltage steady
  6. 6.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) typed on the chip (c) uploaded over USB (d) drawn with a pen
  7. 7.🤖 Does a wind-up toy usually have a microcontroller inside? (a) No (b) Yes
  8. 8.True or false: a spinning top usually has a microcontroller inside. (a) True (b) False
  9. 9.🧭 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
  10. 10.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a hand pump (c) a digital thermometer (d) a wind-up toy
  11. 11.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  12. 12.Which job is done by the USB port? (a) connect sensors and LEDs (b) shows the board is on (c) brings power and code (d) restarts the program
  13. 13.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  14. 14.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  15. 15.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  16. 16.🤖 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
  17. 17.Which job is done by the power LED? (a) connect sensors and LEDs (b) keeps the voltage steady (c) shows the board is on (d) brings power and code
  18. 18.True or false: a candle has no microcontroller inside. (a) True (b) False
  19. 19.True or false: a TV remote usually has a microcontroller inside. (a) True (b) False
  20. 20.Which of these usually has a microcontroller inside? (a) a TV remote (b) a candle (c) a bicycle bell (d) a spinning top
  21. 21.True or false: a laptop runs many apps at once. (a) True (b) False
  22. 22.True or false: a TV remote has no microcontroller inside. (a) False (b) True
  23. 23.🤖 What is a microcontroller? (a) a type of battery (b) a big desktop computer (c) a kind of bulb (d) a computer on one chip
  24. 24.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
  25. 25.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the reset button (b) the pins (c) the voltage regulator (d) the USB port
  26. 26.True or false: a digital thermometer has no microcontroller inside. (a) False (b) True
  27. 27.Which of these usually has a microcontroller inside? (a) a hand pump (b) a washing machine (c) a wind-up toy (d) a candle
  28. 28.True or false: a plain wall switch has no microcontroller inside. (a) True (b) False
  29. 29.True or false: a digital alarm clock usually has a microcontroller inside. (a) True (b) False
  30. 30.Which job is done by the pins? (a) connect sensors and LEDs (b) shows the board is on (c) runs the program (d) restarts the program
  31. 31.True or false: a microcontroller has no screen of its own. (a) False (b) True
  32. 32.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  33. 33.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  34. 34.Which of these usually has a microcontroller inside? (a) a smart watch (b) a candle (c) a wind-up toy (d) a plain wall switch
  35. 35.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  36. 36.Which of these has no microcontroller inside? (a) a digital thermometer (b) a washing machine (c) a toy robot (d) a bicycle bell
  37. 37.🧭 Which part of a microcontroller board brings power and code? (a) the main chip (b) the voltage regulator (c) the USB port (d) the reset button
  38. 38.Which job is done by the voltage regulator? (a) connect sensors and LEDs (b) keeps the voltage steady (c) brings power and code (d) runs the program
  39. 39.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  40. 40.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a plain wall switch (c) a microwave oven (d) a spinning top

Answer key

  1. laptop
  2. microcontroller
  3. True
  4. microcontroller
  5. restarts the program
  6. uploaded over USB
  7. No
  8. False
  9. the reset button
  10. a digital thermometer
  11. Yes
  12. brings power and code
  13. No
  14. laptop
  15. Yes
  16. flash memory
  17. shows the board is on
  18. True
  19. True
  20. a TV remote
  21. True
  22. False
  23. a computer on one chip
  24. False
  25. the pins
  26. False
  27. a washing machine
  28. True
  29. True
  30. connect sensors and LEDs
  31. True
  32. No
  33. Yes
  34. a smart watch
  35. No
  36. a bicycle bell
  37. the USB port
  38. keeps the voltage steady
  39. False
  40. a microwave oven

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