← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 333 · 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.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  2. 2.Which job is done by the main chip? (a) restarts the program (b) shows the board is on (c) runs the program (d) brings power and code
  3. 3.True or false: a smart watch usually has a microcontroller inside. (a) True (b) False
  4. 4.Which job is done by the voltage regulator? (a) shows the board is on (b) brings power and code (c) keeps the voltage steady (d) connect sensors and LEDs
  5. 5.True or false: a microcontroller needs much more power. (a) False (b) True
  6. 6.True or false: a microcontroller has no screen of its own. (a) True (b) False
  7. 7.🧭 Which part of a microcontroller board shows the board is on? (a) the USB port (b) the reset button (c) the main chip (d) the power LED
  8. 8.🤖 Which is a safe power source for a beginner microcontroller board? (a) bare mains wires (b) a 230 V cable (c) a wall socket directly (d) USB or a 9 V battery
  9. 9.True or false: a laptop runs one small program. (a) False (b) True
  10. 10.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  11. 11.🧭 Which part of a microcontroller board brings power and code? (a) the voltage regulator (b) the main chip (c) the USB port (d) the power LED
  12. 12.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a hand pump (c) a candle (d) a smart watch
  13. 13.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a bicycle bell (c) a washing machine (d) a hand pump
  14. 14.True or false: a spinning top has no microcontroller inside. (a) True (b) False
  15. 15.🤖 When the main loop of a microcontroller program ends, what happens? (a) it stops forever (b) it deletes itself (c) it starts again (d) the board breaks
  16. 16.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a TV remote (c) a hand pump (d) a wind-up toy
  17. 17.Which job is done by the USB port? (a) restarts the program (b) connect sensors and LEDs (c) shows the board is on (d) brings power and code
  18. 18.True or false: a laptop has no screen of its own. (a) False (b) True
  19. 19.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  20. 20.Which job is done by the pins? (a) keeps the voltage steady (b) connect sensors and LEDs (c) restarts the program (d) runs the program
  21. 21.Which of these has no microcontroller inside? (a) a plain wall switch (b) a microwave oven (c) a digital alarm clock (d) a TV remote
  22. 22.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  23. 23.True or false: a digital alarm clock has no microcontroller inside. (a) False (b) True
  24. 24.True or false: a digital thermometer has no microcontroller inside. (a) True (b) False
  25. 25.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  26. 26.True or false: a microcontroller runs one small program. (a) False (b) True
  27. 27.🤖 How does a new program get onto a microcontroller board? (a) uploaded over USB (b) drawn with a pen (c) sent by sound (d) typed on the chip
  28. 28.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  29. 29.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  30. 30.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a wind-up toy (c) a digital thermometer (d) a hand pump
  31. 31.Which of these has no microcontroller inside? (a) a spinning top (b) a microwave oven (c) a digital alarm clock (d) a smart watch
  32. 32.True or false: a toy robot has no microcontroller inside. (a) True (b) False
  33. 33.🧭 Which part of a microcontroller board restarts the program? (a) the USB port (b) the reset button (c) the power LED (d) the main chip
  34. 34.Which of these has no microcontroller inside? (a) a bicycle bell (b) a toy robot (c) a microwave oven (d) a washing machine
  35. 35.Which of these has no microcontroller inside? (a) a TV remote (b) a washing machine (c) a wind-up toy (d) a microwave oven
  36. 36.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  37. 37.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a hand pump (c) a toy robot (d) a spinning top
  38. 38.🧭 Which part of a microcontroller board runs the program? (a) the voltage regulator (b) the main chip (c) the reset button (d) the power LED
  39. 39.True or false: a TV remote has no microcontroller inside. (a) False (b) True
  40. 40.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a TV remote (c) a candle (d) a smart watch

Answer key

  1. laptop
  2. runs the program
  3. True
  4. keeps the voltage steady
  5. False
  6. True
  7. the power LED
  8. USB or a 9 V battery
  9. False
  10. Yes
  11. the USB port
  12. a smart watch
  13. a washing machine
  14. True
  15. it starts again
  16. a TV remote
  17. brings power and code
  18. False
  19. Yes
  20. connect sensors and LEDs
  21. a plain wall switch
  22. laptop
  23. False
  24. False
  25. True
  26. True
  27. uploaded over USB
  28. Yes
  29. No
  30. a digital thermometer
  31. a spinning top
  32. False
  33. the reset button
  34. a bicycle bell
  35. a wind-up toy
  36. microcontroller
  37. a toy robot
  38. the main chip
  39. False
  40. a candle

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