← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 313 · 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 part of a microcontroller board runs the program? (a) the USB port (b) the power LED (c) the voltage regulator (d) the main chip
  2. 2.True or false: a microcontroller runs one small program. (a) False (b) True
  3. 3.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  4. 4.Which job is done by the power LED? (a) brings power and code (b) runs the program (c) connect sensors and LEDs (d) shows the board is on
  5. 5.Which job is done by the main chip? (a) keeps the voltage steady (b) brings power and code (c) runs the program (d) shows the board is on
  6. 6.True or false: a laptop runs many apps at once. (a) False (b) True
  7. 7.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  8. 8.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  9. 9.True or false: a digital thermometer usually has a microcontroller inside. (a) True (b) False
  10. 10.Which job is done by the voltage regulator? (a) connect sensors and LEDs (b) keeps the voltage steady (c) brings power and code (d) restarts the program
  11. 11.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  12. 12.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  13. 13.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a digital alarm clock (c) a bicycle bell (d) a hand pump
  14. 14.True or false: a laptop uses very little power. (a) False (b) True
  15. 15.Which job is done by the pins? (a) keeps the voltage steady (b) runs the program (c) connect sensors and LEDs (d) restarts the program
  16. 16.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  17. 17.🤖 How does a new program get onto a microcontroller board? (a) uploaded over USB (b) sent by sound (c) drawn with a pen (d) typed on the chip
  18. 18.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
  19. 19.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  20. 20.True or false: a microcontroller runs many apps at once. (a) False (b) True
  21. 21.Which of these usually has a microcontroller inside? (a) a toy robot (b) a hand pump (c) a plain wall switch (d) a candle
  22. 22.True or false: a microcontroller uses very little power. (a) False (b) True
  23. 23.True or false: a plain wall switch has no microcontroller inside. (a) False (b) True
  24. 24.Which of these usually has a microcontroller inside? (a) a spinning top (b) a washing machine (c) a plain wall switch (d) a candle
  25. 25.🤖 Does a wind-up toy usually have a microcontroller inside? (a) No (b) Yes
  26. 26.Which job is done by the USB port? (a) brings power and code (b) keeps the voltage steady (c) connect sensors and LEDs (d) restarts the program
  27. 27.🤖 What is a microcontroller? (a) a big desktop computer (b) a type of battery (c) a kind of bulb (d) a computer on one chip
  28. 28.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes
  29. 29.🧭 Which part of a microcontroller board shows the board is on? (a) the reset button (b) the voltage regulator (c) the power LED (d) the main chip
  30. 30.True or false: a microcontroller has a built-in keyboard. (a) False (b) True
  31. 31.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a microwave oven (c) a bicycle bell (d) a hand pump
  32. 32.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  33. 33.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a washing machine (c) a microwave oven (d) a candle
  34. 34.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  35. 35.True or false: a toy robot usually has a microcontroller inside. (a) True (b) False
  36. 36.True or false: a microcontroller needs much more power. (a) True (b) False
  37. 37.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the voltage regulator (b) the pins (c) the reset button (d) the main chip
  38. 38.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  39. 39.True or false: a wind-up toy usually has a microcontroller inside. (a) False (b) True
  40. 40.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No

Answer key

  1. the main chip
  2. True
  3. No
  4. shows the board is on
  5. runs the program
  6. True
  7. microcontroller
  8. True
  9. True
  10. keeps the voltage steady
  11. laptop
  12. No
  13. a digital alarm clock
  14. False
  15. connect sensors and LEDs
  16. Yes
  17. uploaded over USB
  18. Yes
  19. laptop
  20. False
  21. a toy robot
  22. True
  23. True
  24. a washing machine
  25. No
  26. brings power and code
  27. a computer on one chip
  28. Yes
  29. the power LED
  30. False
  31. a microwave oven
  32. No
  33. a candle
  34. Yes
  35. True
  36. False
  37. the pins
  38. microcontroller
  39. False
  40. No

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