← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 90 · 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.True or false: a microcontroller runs one small program. (a) True (b) False
  2. 2.Which job is done by the voltage regulator? (a) restarts the program (b) runs the program (c) keeps the voltage steady (d) brings power and code
  3. 3.🧭 Which part of a microcontroller board brings power and code? (a) the voltage regulator (b) the USB port (c) the pins (d) the main chip
  4. 4.🤖 Microcontroller or laptop: which one needs much more power? (a) laptop (b) microcontroller
  5. 5.Which job is done by the main chip? (a) runs the program (b) restarts the program (c) connect sensors and LEDs (d) keeps the voltage steady
  6. 6.True or false: a TV remote usually has a microcontroller inside. (a) True (b) False
  7. 7.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  8. 8.Which of these usually has a microcontroller inside? (a) a microwave oven (b) a hand pump (c) a plain wall switch (d) a candle
  9. 9.Which job is done by the reset button? (a) shows the board is on (b) connect sensors and LEDs (c) runs the program (d) restarts the program
  10. 10.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  11. 11.🧭 Which part of a microcontroller board runs the program? (a) the pins (b) the power LED (c) the main chip (d) the USB port
  12. 12.Which job is done by the pins? (a) restarts the program (b) brings power and code (c) connect sensors and LEDs (d) shows the board is on
  13. 13.True or false: a wind-up toy has no microcontroller inside. (a) False (b) True
  14. 14.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
  15. 15.Which of these has no microcontroller inside? (a) a toy robot (b) a bicycle bell (c) a TV remote (d) a washing machine
  16. 16.🤖 What is a microcontroller? (a) a type of battery (b) a kind of bulb (c) a big desktop computer (d) a computer on one chip
  17. 17.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  18. 18.🧭 Which part of a microcontroller board restarts the program? (a) the pins (b) the power LED (c) the USB port (d) the reset button
  19. 19.Which job is done by the power LED? (a) keeps the voltage steady (b) connect sensors and LEDs (c) brings power and code (d) shows the board is on
  20. 20.Which of these has no microcontroller inside? (a) a wind-up toy (b) a toy robot (c) a TV remote (d) a smart watch
  21. 21.Which job is done by the USB port? (a) connect sensors and LEDs (b) brings power and code (c) runs the program (d) restarts the program
  22. 22.True or false: a hand pump usually has a microcontroller inside. (a) True (b) False
  23. 23.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  24. 24.🤖 How does a new program get onto a microcontroller board? (a) uploaded over USB (b) sent by sound (c) typed on the chip (d) drawn with a pen
  25. 25.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  26. 26.Which of these usually has a microcontroller inside? (a) a candle (b) a spinning top (c) a hand pump (d) a washing machine
  27. 27.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  28. 28.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  29. 29.🤖 Which is a safe power source for a beginner microcontroller board? (a) a wall socket directly (b) bare mains wires (c) a 230 V cable (d) USB or a 9 V battery
  30. 30.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  31. 31.True or false: a digital alarm clock has no microcontroller inside. (a) False (b) True
  32. 32.Which of these has no microcontroller inside? (a) a toy robot (b) a smart watch (c) a candle (d) a washing machine
  33. 33.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  34. 34.True or false: a microcontroller has no screen of its own. (a) False (b) True
  35. 35.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  36. 36.Which of these usually has a microcontroller inside? (a) a hand pump (b) a plain wall switch (c) a smart watch (d) a spinning top
  37. 37.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the voltage regulator (b) the pins (c) the power LED (d) the main chip
  38. 38.Which of these usually has a microcontroller inside? (a) a digital alarm clock (b) a hand pump (c) a bicycle bell (d) a wind-up toy
  39. 39.True or false: a candle has no microcontroller inside. (a) False (b) True
  40. 40.True or false: a bicycle bell usually has a microcontroller inside. (a) True (b) False

Answer key

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

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