← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 380 · 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.🤖 How does a new program get onto a microcontroller board? (a) typed on the chip (b) uploaded over USB (c) drawn with a pen (d) sent by sound
  2. 2.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
  3. 3.True or false: a spinning top usually has a microcontroller inside. (a) True (b) False
  4. 4.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  5. 5.True or false: a microcontroller runs one small program. (a) False (b) True
  6. 6.Which job is done by the USB port? (a) connect sensors and LEDs (b) shows the board is on (c) keeps the voltage steady (d) brings power and code
  7. 7.🤖 What is a microcontroller? (a) a type of battery (b) a big desktop computer (c) a computer on one chip (d) a kind of bulb
  8. 8.Which job is done by the voltage regulator? (a) shows the board is on (b) brings power and code (c) runs the program (d) keeps the voltage steady
  9. 9.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a digital thermometer (c) a bicycle bell (d) a spinning top
  10. 10.🤖 When the main loop of a microcontroller program ends, what happens? (a) it stops forever (b) it deletes itself (c) the board breaks (d) it starts again
  11. 11.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  12. 12.Which of these has no microcontroller inside? (a) a toy robot (b) a TV remote (c) a bicycle bell (d) a microwave oven
  13. 13.🧭 Which part of a microcontroller board shows the board is on? (a) the power LED (b) the voltage regulator (c) the main chip (d) the USB port
  14. 14.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  15. 15.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  16. 16.🧭 Which part of a microcontroller board runs the program? (a) the USB port (b) the voltage regulator (c) the power LED (d) the main chip
  17. 17.Which of these has no microcontroller inside? (a) a microwave oven (b) a toy robot (c) a washing machine (d) a hand pump
  18. 18.Which of these usually has a microcontroller inside? (a) a spinning top (b) a candle (c) a wind-up toy (d) a TV remote
  19. 19.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the power LED (b) the pins (c) the voltage regulator (d) the USB port
  20. 20.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  21. 21.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the pins (b) the voltage regulator (c) the power LED (d) the USB port
  22. 22.True or false: a laptop has a built-in keyboard. (a) False (b) True
  23. 23.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  24. 24.True or false: a laptop runs many apps at once. (a) True (b) False
  25. 25.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  26. 26.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  27. 27.🧭 Which part of a microcontroller board restarts the program? (a) the power LED (b) the voltage regulator (c) the main chip (d) the reset button
  28. 28.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  29. 29.True or false: a laptop uses very little power. (a) True (b) False
  30. 30.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  31. 31.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  32. 32.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  33. 33.True or false: a hand pump has no microcontroller inside. (a) False (b) True
  34. 34.🤖 Which is a safe power source for a beginner microcontroller board? (a) USB or a 9 V battery (b) a wall socket directly (c) bare mains wires (d) a 230 V cable
  35. 35.True or false: a microwave oven has no microcontroller inside. (a) False (b) True
  36. 36.🧭 Which part of a microcontroller board brings power and code? (a) the voltage regulator (b) the main chip (c) the power LED (d) the USB port
  37. 37.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  38. 38.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True
  39. 39.True or false: a microcontroller has a built-in keyboard. (a) False (b) True
  40. 40.True or false: a spinning top has no microcontroller inside. (a) False (b) True

Answer key

  1. uploaded over USB
  2. Yes
  3. False
  4. laptop
  5. True
  6. brings power and code
  7. a computer on one chip
  8. keeps the voltage steady
  9. a digital thermometer
  10. it starts again
  11. No
  12. a bicycle bell
  13. the power LED
  14. laptop
  15. No
  16. the main chip
  17. a hand pump
  18. a TV remote
  19. the voltage regulator
  20. microcontroller
  21. the pins
  22. True
  23. Yes
  24. True
  25. microcontroller
  26. True
  27. the reset button
  28. laptop
  29. False
  30. microcontroller
  31. Yes
  32. Yes
  33. True
  34. USB or a 9 V battery
  35. False
  36. the USB port
  37. No
  38. True
  39. False
  40. True

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