← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 164 · 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 part of a microcontroller board brings power and code? (a) the reset button (b) the voltage regulator (c) the USB port (d) the main chip
  2. 2.🧭 Which part of a microcontroller board restarts the program? (a) the USB port (b) the reset button (c) the power LED (d) the pins
  3. 3.🤖 Where does the board keep its program when the power is off? (a) the resistor (b) flash memory (c) the USB cable (d) the power LED
  4. 4.Which job is done by the USB port? (a) brings power and code (b) connect sensors and LEDs (c) restarts the program (d) runs the program
  5. 5.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a wind-up toy (c) a smart watch (d) a digital thermometer
  6. 6.True or false: a laptop needs much more power. (a) False (b) True
  7. 7.Which of these has no microcontroller inside? (a) a digital thermometer (b) a candle (c) a TV remote (d) a digital alarm clock
  8. 8.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a bicycle bell (c) a plain wall switch (d) a digital thermometer
  9. 9.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  10. 10.True or false: a microcontroller uses very little power. (a) False (b) True
  11. 11.🤖 When the main loop of a microcontroller program ends, what happens? (a) it deletes itself (b) it stops forever (c) the board breaks (d) it starts again
  12. 12.Which job is done by the reset button? (a) keeps the voltage steady (b) restarts the program (c) brings power and code (d) runs the program
  13. 13.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  14. 14.🧭 Which part of a microcontroller board shows the board is on? (a) the main chip (b) the USB port (c) the pins (d) the power LED
  15. 15.True or false: a microcontroller needs much more power. (a) True (b) False
  16. 16.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
  17. 17.True or false: a laptop runs many apps at once. (a) False (b) True
  18. 18.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
  19. 19.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  20. 20.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  21. 21.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  22. 22.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the pins (b) the reset button (c) the USB port (d) the main chip
  23. 23.Which of these has no microcontroller inside? (a) a hand pump (b) a TV remote (c) a washing machine (d) a digital alarm clock
  24. 24.🧭 Which part of a microcontroller board runs the program? (a) the USB port (b) the power LED (c) the main chip (d) the voltage regulator
  25. 25.True or false: a spinning top 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.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  28. 28.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  29. 29.True or false: a TV remote has no microcontroller inside. (a) True (b) False
  30. 30.True or false: a laptop uses very little power. (a) True (b) False
  31. 31.Which job is done by the pins? (a) restarts the program (b) brings power and code (c) shows the board is on (d) connect sensors and LEDs
  32. 32.True or false: a plain wall switch usually has a microcontroller inside. (a) True (b) False
  33. 33.Which job is done by the voltage regulator? (a) shows the board is on (b) keeps the voltage steady (c) restarts the program (d) connect sensors and LEDs
  34. 34.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  35. 35.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) typed on the chip (c) uploaded over USB (d) sent by sound
  36. 36.True or false: a microcontroller has a built-in keyboard. (a) False (b) True
  37. 37.🤖 What is a microcontroller? (a) a big desktop computer (b) a computer on one chip (c) a kind of bulb (d) a type of battery
  38. 38.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the main chip (c) the USB port (d) the voltage regulator
  39. 39.Which of these has no microcontroller inside? (a) a TV remote (b) a microwave oven (c) a plain wall switch (d) a toy robot
  40. 40.True or false: a spinning top has no microcontroller inside. (a) True (b) False

Answer key

  1. the USB port
  2. the reset button
  3. flash memory
  4. brings power and code
  5. a wind-up toy
  6. True
  7. a candle
  8. a digital thermometer
  9. laptop
  10. True
  11. it starts again
  12. restarts the program
  13. Yes
  14. the power LED
  15. False
  16. runs the program
  17. True
  18. Yes
  19. microcontroller
  20. No
  21. False
  22. the pins
  23. a hand pump
  24. the main chip
  25. False
  26. True
  27. laptop
  28. microcontroller
  29. False
  30. False
  31. connect sensors and LEDs
  32. False
  33. keeps the voltage steady
  34. No
  35. uploaded over USB
  36. False
  37. a computer on one chip
  38. the voltage regulator
  39. a plain wall switch
  40. True

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