← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 381 · 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 smart watch (b) a spinning top (c) a washing machine (d) a digital thermometer
  2. 2.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the reset button (b) the pins (c) the voltage regulator (d) the power LED
  3. 3.True or false: a microwave oven has no microcontroller inside. (a) False (b) True
  4. 4.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a toy robot (c) a candle (d) a wind-up toy
  5. 5.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  6. 6.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  7. 7.🤖 What is a microcontroller? (a) a kind of bulb (b) a big desktop computer (c) a computer on one chip (d) a type of battery
  8. 8.True or false: a digital thermometer has no microcontroller inside. (a) True (b) False
  9. 9.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a plain wall switch (c) a digital thermometer (d) a candle
  10. 10.Which job is done by the USB port? (a) runs the program (b) shows the board is on (c) connect sensors and LEDs (d) brings power and code
  11. 11.Which job is done by the main chip? (a) shows the board is on (b) connect sensors and LEDs (c) restarts the program (d) runs the program
  12. 12.True or false: a microcontroller runs many apps at once. (a) True (b) False
  13. 13.🤖 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
  14. 14.🤖 Which is a safe power source for a beginner microcontroller board? (a) USB or a 9 V battery (b) bare mains wires (c) a 230 V cable (d) a wall socket directly
  15. 15.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  16. 16.🧭 Which part of a microcontroller board brings power and code? (a) the power LED (b) the voltage regulator (c) the pins (d) the USB port
  17. 17.Which of these has no microcontroller inside? (a) a wind-up toy (b) a digital alarm clock (c) a toy robot (d) a TV remote
  18. 18.Which job is done by the voltage regulator? (a) runs the program (b) keeps the voltage steady (c) brings power and code (d) shows the board is on
  19. 19.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  20. 20.Which job is done by the reset button? (a) restarts the program (b) brings power and code (c) runs the program (d) keeps the voltage steady
  21. 21.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  22. 22.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  23. 23.🧭 Which part of a microcontroller board runs the program? (a) the USB port (b) the main chip (c) the voltage regulator (d) the reset button
  24. 24.True or false: a laptop runs one small program. (a) False (b) True
  25. 25.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  26. 26.True or false: a microcontroller has no screen of its own. (a) True (b) False
  27. 27.True or false: a digital alarm clock has no microcontroller inside. (a) True (b) False
  28. 28.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  29. 29.Which of these usually has a microcontroller inside? (a) a hand pump (b) a TV remote (c) a plain wall switch (d) a wind-up toy
  30. 30.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  31. 31.True or false: a bicycle bell usually has a microcontroller inside. (a) True (b) False
  32. 32.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  33. 33.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  34. 34.True or false: a microcontroller runs one small program. (a) False (b) True
  35. 35.True or false: a laptop has a built-in keyboard. (a) False (b) True
  36. 36.True or false: a toy robot has no microcontroller inside. (a) True (b) False
  37. 37.🧭 Which part of a microcontroller board shows the board is on? (a) the reset button (b) the pins (c) the power LED (d) the voltage regulator
  38. 38.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  39. 39.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  40. 40.True or false: a plain wall switch usually has a microcontroller inside. (a) True (b) False

Answer key

  1. a spinning top
  2. the voltage regulator
  3. False
  4. a toy robot
  5. laptop
  6. microcontroller
  7. a computer on one chip
  8. False
  9. a digital thermometer
  10. brings power and code
  11. runs the program
  12. False
  13. uploaded over USB
  14. USB or a 9 V battery
  15. Yes
  16. the USB port
  17. a wind-up toy
  18. keeps the voltage steady
  19. Yes
  20. restarts the program
  21. Yes
  22. microcontroller
  23. the main chip
  24. False
  25. No
  26. True
  27. False
  28. Yes
  29. a TV remote
  30. False
  31. False
  32. laptop
  33. microcontroller
  34. True
  35. True
  36. False
  37. the power LED
  38. Yes
  39. True
  40. False

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