← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 693 · 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.🤖 Does a wind-up toy usually have a microcontroller inside? (a) No (b) Yes
  2. 2.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  3. 3.True or false: a wind-up toy usually has a microcontroller inside. (a) False (b) True
  4. 4.Which of these usually has a microcontroller inside? (a) a spinning top (b) a digital alarm clock (c) a plain wall switch (d) a candle
  5. 5.🧭 Which part of a microcontroller board brings power and code? (a) the reset button (b) the pins (c) the main chip (d) the USB port
  6. 6.🤖 When the main loop of a microcontroller program ends, what happens? (a) the board breaks (b) it deletes itself (c) it starts again (d) it stops forever
  7. 7.Which job is done by the main chip? (a) restarts the program (b) runs the program (c) keeps the voltage steady (d) shows the board is on
  8. 8.True or false: a laptop has no screen of its own. (a) True (b) False
  9. 9.True or false: a plain wall switch has no microcontroller inside. (a) False (b) True
  10. 10.True or false: a spinning top usually has a microcontroller inside. (a) True (b) False
  11. 11.Which of these usually has a microcontroller inside? (a) a hand pump (b) a washing machine (c) a plain wall switch (d) a wind-up toy
  12. 12.🤖 What is a microcontroller? (a) a kind of bulb (b) a computer on one chip (c) a type of battery (d) a big desktop computer
  13. 13.True or false: a microwave oven has no microcontroller inside. (a) True (b) False
  14. 14.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  15. 15.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  16. 16.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  17. 17.🤖 Does a toy robot usually have a microcontroller inside? (a) No (b) Yes
  18. 18.True or false: a laptop uses very little power. (a) True (b) False
  19. 19.Which job is done by the power LED? (a) restarts the program (b) brings power and code (c) connect sensors and LEDs (d) shows the board is on
  20. 20.🤖 Does a bicycle bell usually have a microcontroller inside? (a) No (b) Yes
  21. 21.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the voltage regulator (b) the pins (c) the reset button (d) the power LED
  22. 22.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes
  23. 23.Which of these has no microcontroller inside? (a) a bicycle bell (b) a TV remote (c) a digital thermometer (d) a digital alarm clock
  24. 24.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  25. 25.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  26. 26.🧭 Which part of a microcontroller board runs the program? (a) the main chip (b) the voltage regulator (c) the reset button (d) the USB port
  27. 27.True or false: a candle has no microcontroller inside. (a) False (b) True
  28. 28.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  29. 29.Which of these usually has a microcontroller inside? (a) a smart watch (b) a bicycle bell (c) a plain wall switch (d) a candle
  30. 30.Which job is done by the USB port? (a) connect sensors and LEDs (b) brings power and code (c) shows the board is on (d) runs the program
  31. 31.True or false: a microcontroller runs many apps at once. (a) False (b) True
  32. 32.True or false: a bicycle bell usually has a microcontroller inside. (a) False (b) True
  33. 33.Which of these has no microcontroller inside? (a) a washing machine (b) a toy robot (c) a digital alarm clock (d) a candle
  34. 34.True or false: a smart watch has no microcontroller inside. (a) True (b) False
  35. 35.Which of these has no microcontroller inside? (a) a microwave oven (b) a smart watch (c) a digital thermometer (d) a plain wall switch
  36. 36.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  37. 37.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  38. 38.🤖 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
  39. 39.Which of these has no microcontroller inside? (a) a digital thermometer (b) a washing machine (c) a digital alarm clock (d) a wind-up toy
  40. 40.Which of these usually has a microcontroller inside? (a) a digital thermometer (b) a bicycle bell (c) a wind-up toy (d) a spinning top

Answer key

  1. No
  2. Yes
  3. False
  4. a digital alarm clock
  5. the USB port
  6. it starts again
  7. runs the program
  8. False
  9. True
  10. False
  11. a washing machine
  12. a computer on one chip
  13. False
  14. No
  15. laptop
  16. microcontroller
  17. Yes
  18. False
  19. shows the board is on
  20. No
  21. the pins
  22. Yes
  23. a bicycle bell
  24. microcontroller
  25. Yes
  26. the main chip
  27. True
  28. No
  29. a smart watch
  30. brings power and code
  31. False
  32. False
  33. a candle
  34. False
  35. a plain wall switch
  36. microcontroller
  37. No
  38. USB or a 9 V battery
  39. a wind-up toy
  40. a digital thermometer

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