← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 606 · 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.Which of these has no microcontroller inside? (a) a microwave oven (b) a digital alarm clock (c) a wind-up toy (d) a smart watch
  2. 2.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  3. 3.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  4. 4.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  5. 5.🧭 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
  6. 6.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  7. 7.True or false: a microcontroller runs many apps at once. (a) True (b) False
  8. 8.True or false: a microwave oven has no microcontroller inside. (a) True (b) False
  9. 9.Which job is done by the USB port? (a) keeps the voltage steady (b) connect sensors and LEDs (c) shows the board is on (d) brings power and code
  10. 10.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) typed on the chip (c) uploaded over USB (d) sent by sound
  11. 11.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  12. 12.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  13. 13.Which job is done by the power LED? (a) brings power and code (b) runs the program (c) keeps the voltage steady (d) shows the board is on
  14. 14.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  15. 15.Which of these has no microcontroller inside? (a) a microwave oven (b) a digital alarm clock (c) a spinning top (d) a digital thermometer
  16. 16.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the pins (b) the USB port (c) the voltage regulator (d) the main chip
  17. 17.True or false: a laptop runs many apps at once. (a) False (b) True
  18. 18.Which of these usually has a microcontroller inside? (a) a spinning top (b) a candle (c) a plain wall switch (d) a toy robot
  19. 19.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  20. 20.🤖 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
  21. 21.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  22. 22.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a hand pump (c) a smart watch (d) a wind-up toy
  23. 23.True or false: a digital thermometer has no microcontroller inside. (a) False (b) True
  24. 24.Which of these usually has a microcontroller inside? (a) a spinning top (b) a digital thermometer (c) a candle (d) a plain wall switch
  25. 25.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the main chip (b) the USB port (c) the reset button (d) the voltage regulator
  26. 26.🧭 Which part of a microcontroller board restarts the program? (a) the power LED (b) the voltage regulator (c) the main chip (d) the reset button
  27. 27.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  28. 28.🧭 Which part of a microcontroller board shows the board is on? (a) the pins (b) the power LED (c) the USB port (d) the voltage regulator
  29. 29.🤖 What is a microcontroller? (a) a big desktop computer (b) a type of battery (c) a computer on one chip (d) a kind of bulb
  30. 30.Which of these has no microcontroller inside? (a) a smart watch (b) a microwave oven (c) a digital alarm clock (d) a bicycle bell
  31. 31.True or false: a microcontroller has no screen of its own. (a) False (b) True
  32. 32.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  33. 33.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes
  34. 34.True or false: a plain wall switch usually has a microcontroller inside. (a) True (b) False
  35. 35.True or false: a digital thermometer usually has a microcontroller inside. (a) True (b) False
  36. 36.True or false: a TV remote usually has a microcontroller inside. (a) False (b) True
  37. 37.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  38. 38.True or false: a microcontroller uses very little power. (a) False (b) True
  39. 39.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  40. 40.Which of these usually has a microcontroller inside? (a) a spinning top (b) a candle (c) a wind-up toy (d) a TV remote

Answer key

  1. a wind-up toy
  2. Yes
  3. microcontroller
  4. microcontroller
  5. the USB port
  6. No
  7. False
  8. False
  9. brings power and code
  10. uploaded over USB
  11. True
  12. laptop
  13. shows the board is on
  14. laptop
  15. a spinning top
  16. the pins
  17. True
  18. a toy robot
  19. Yes
  20. flash memory
  21. No
  22. a smart watch
  23. False
  24. a digital thermometer
  25. the voltage regulator
  26. the reset button
  27. Yes
  28. the power LED
  29. a computer on one chip
  30. a bicycle bell
  31. True
  32. microcontroller
  33. Yes
  34. False
  35. True
  36. True
  37. No
  38. True
  39. No
  40. a TV remote

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids