← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 667 · 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.Which of these has no microcontroller inside? (a) a TV remote (b) a microwave oven (c) a washing machine (d) a wind-up toy
  2. 2.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the voltage regulator (b) the power LED (c) the main chip (d) the pins
  3. 3.Which job is done by the reset button? (a) connect sensors and LEDs (b) runs the program (c) shows the board is on (d) restarts the program
  4. 4.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  5. 5.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  6. 6.True or false: a laptop runs one small program. (a) False (b) True
  7. 7.🧭 Which part of a microcontroller board brings power and code? (a) the reset button (b) the pins (c) the power LED (d) the USB port
  8. 8.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  9. 9.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  10. 10.True or false: a microwave oven has no microcontroller inside. (a) False (b) True
  11. 11.🧭 Which part of a microcontroller board restarts the program? (a) the USB port (b) the reset button (c) the pins (d) the main chip
  12. 12.True or false: a candle has no microcontroller inside. (a) False (b) True
  13. 13.🧭 Which part of a microcontroller board runs the program? (a) the USB port (b) the main chip (c) the reset button (d) the power LED
  14. 14.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  15. 15.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  16. 16.True or false: a microcontroller needs much more power. (a) True (b) False
  17. 17.Which job is done by the power LED? (a) connect sensors and LEDs (b) shows the board is on (c) runs the program (d) keeps the voltage steady
  18. 18.True or false: a TV remote has no microcontroller inside. (a) True (b) False
  19. 19.🤖 How does a new program get onto a microcontroller board? (a) typed on the chip (b) sent by sound (c) uploaded over USB (d) drawn with a pen
  20. 20.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  21. 21.True or false: a laptop needs much more power. (a) False (b) True
  22. 22.🤖 What is a microcontroller? (a) a type of battery (b) a computer on one chip (c) a kind of bulb (d) a big desktop computer
  23. 23.🤖 Which is a safe power source for a beginner microcontroller board? (a) a wall socket directly (b) a 230 V cable (c) USB or a 9 V battery (d) bare mains wires
  24. 24.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  25. 25.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a hand pump (c) a smart watch (d) a candle
  26. 26.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  27. 27.Which of these usually has a microcontroller inside? (a) a digital alarm clock (b) a wind-up toy (c) a hand pump (d) a candle
  28. 28.True or false: a digital alarm clock has no microcontroller inside. (a) False (b) True
  29. 29.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  30. 30.Which job is done by the USB port? (a) runs the program (b) keeps the voltage steady (c) brings power and code (d) connect sensors and LEDs
  31. 31.Which of these usually has a microcontroller inside? (a) a hand pump (b) a plain wall switch (c) a toy robot (d) a wind-up toy
  32. 32.🤖 Where does the board keep its program when the power is off? (a) flash memory (b) the resistor (c) the power LED (d) the USB cable
  33. 33.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the reset button (b) the main chip (c) the pins (d) the voltage regulator
  34. 34.True or false: a laptop has a built-in keyboard. (a) True (b) False
  35. 35.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  36. 36.Which job is done by the voltage regulator? (a) restarts the program (b) keeps the voltage steady (c) connect sensors and LEDs (d) runs the program
  37. 37.Which of these has no microcontroller inside? (a) a TV remote (b) a digital alarm clock (c) a microwave oven (d) a plain wall switch
  38. 38.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
  39. 39.True or false: a digital alarm clock usually has a microcontroller inside. (a) True (b) False
  40. 40.True or false: a toy robot has no microcontroller inside. (a) True (b) False

Answer key

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

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