← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 328 · 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 laptop needs much more power. (a) True (b) False
  2. 2.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  3. 3.Which of these has no microcontroller inside? (a) a smart watch (b) a wind-up toy (c) a microwave oven (d) a digital thermometer
  4. 4.True or false: a plain wall switch usually has a microcontroller inside. (a) False (b) True
  5. 5.🤖 Does a bicycle bell usually have a microcontroller inside? (a) No (b) Yes
  6. 6.Which job is done by the power LED? (a) brings power and code (b) restarts the program (c) shows the board is on (d) runs the program
  7. 7.🤖 What is a microcontroller? (a) a computer on one chip (b) a kind of bulb (c) a type of battery (d) a big desktop computer
  8. 8.🧭 Which part of a microcontroller board shows the board is on? (a) the pins (b) the main chip (c) the USB port (d) the power LED
  9. 9.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the main chip (b) the USB port (c) the power LED (d) the pins
  10. 10.Which job is done by the reset button? (a) runs the program (b) restarts the program (c) shows the board is on (d) brings power and code
  11. 11.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  12. 12.Which of these usually has a microcontroller inside? (a) a spinning top (b) a hand pump (c) a microwave oven (d) a plain wall switch
  13. 13.Which job is done by the pins? (a) shows the board is on (b) keeps the voltage steady (c) connect sensors and LEDs (d) runs the program
  14. 14.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  15. 15.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the power LED (b) the USB port (c) the voltage regulator (d) the reset button
  16. 16.True or false: a microcontroller runs one small program. (a) True (b) False
  17. 17.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  18. 18.🧭 Which part of a microcontroller board brings power and code? (a) the voltage regulator (b) the power LED (c) the main chip (d) the USB port
  19. 19.True or false: a bicycle bell has no microcontroller inside. (a) True (b) False
  20. 20.Which of these has no microcontroller inside? (a) a digital thermometer (b) a TV remote (c) a digital alarm clock (d) a candle
  21. 21.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  22. 22.True or false: a microcontroller uses very little power. (a) True (b) False
  23. 23.True or false: a microcontroller has no screen of its own. (a) True (b) False
  24. 24.True or false: a laptop runs one small program. (a) False (b) True
  25. 25.🤖 Which is a safe power source for a beginner microcontroller board? (a) a wall socket directly (b) a 230 V cable (c) bare mains wires (d) USB or a 9 V battery
  26. 26.Which of these usually has a microcontroller inside? (a) a candle (b) a wind-up toy (c) a toy robot (d) a spinning top
  27. 27.Which job is done by the USB port? (a) runs the program (b) brings power and code (c) keeps the voltage steady (d) connect sensors and LEDs
  28. 28.Which of these has no microcontroller inside? (a) a bicycle bell (b) a microwave oven (c) a TV remote (d) a washing machine
  29. 29.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) drawn with a pen (c) typed on the chip (d) uploaded over USB
  30. 30.🧭 Which part of a microcontroller board runs the program? (a) the reset button (b) the main chip (c) the power LED (d) the voltage regulator
  31. 31.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  32. 32.True or false: a laptop has a built-in keyboard. (a) True (b) False
  33. 33.Which of these usually has a microcontroller inside? (a) a hand pump (b) a washing machine (c) a candle (d) a spinning top
  34. 34.Which of these has no microcontroller inside? (a) a plain wall switch (b) a microwave oven (c) a smart watch (d) a washing machine
  35. 35.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  36. 36.True or false: a microwave oven usually has a microcontroller inside. (a) True (b) False
  37. 37.Which job is done by the main chip? (a) keeps the voltage steady (b) runs the program (c) restarts the program (d) shows the board is on
  38. 38.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  39. 39.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  40. 40.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes

Answer key

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

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