← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 69 · 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.🤖 What is a microcontroller? (a) a type of battery (b) a kind of bulb (c) a computer on one chip (d) a big desktop computer
  2. 2.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  3. 3.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the reset button (b) the pins (c) the USB port (d) the main chip
  4. 4.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the reset button (b) the voltage regulator (c) the main chip (d) the power LED
  5. 5.🤖 Where does the board keep its program when the power is off? (a) the power LED (b) the USB cable (c) flash memory (d) the resistor
  6. 6.🧭 Which part of a microcontroller board shows the board is on? (a) the voltage regulator (b) the power LED (c) the main chip (d) the USB port
  7. 7.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  8. 8.Which job is done by the pins? (a) brings power and code (b) keeps the voltage steady (c) connect sensors and LEDs (d) restarts the program
  9. 9.True or false: a laptop runs one small program. (a) False (b) True
  10. 10.Which of these has no microcontroller inside? (a) a spinning top (b) a smart watch (c) a TV remote (d) a digital thermometer
  11. 11.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  12. 12.Which of these has no microcontroller inside? (a) a digital thermometer (b) a wind-up toy (c) a TV remote (d) a smart watch
  13. 13.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  14. 14.True or false: a toy robot usually has a microcontroller inside. (a) False (b) True
  15. 15.True or false: a laptop uses very little power. (a) False (b) True
  16. 16.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  17. 17.True or false: a microcontroller uses very little power. (a) False (b) True
  18. 18.Which job is done by the reset button? (a) keeps the voltage steady (b) restarts the program (c) runs the program (d) brings power and code
  19. 19.True or false: a smart watch has no microcontroller inside. (a) True (b) False
  20. 20.🧭 Which part of a microcontroller board restarts the program? (a) the voltage regulator (b) the USB port (c) the power LED (d) the reset button
  21. 21.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  22. 22.Which job is done by the main chip? (a) connect sensors and LEDs (b) runs the program (c) shows the board is on (d) restarts the program
  23. 23.True or false: a bicycle bell has no microcontroller inside. (a) False (b) True
  24. 24.Which job is done by the power LED? (a) connect sensors and LEDs (b) keeps the voltage steady (c) restarts the program (d) shows the board is on
  25. 25.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  26. 26.True or false: a laptop needs much more power. (a) True (b) False
  27. 27.Which job is done by the voltage regulator? (a) connect sensors and LEDs (b) brings power and code (c) restarts the program (d) keeps the voltage steady
  28. 28.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  29. 29.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  30. 30.True or false: a wind-up toy has no microcontroller inside. (a) True (b) False
  31. 31.Which of these usually has a microcontroller inside? (a) a spinning top (b) a candle (c) a smart watch (d) a wind-up toy
  32. 32.True or false: a digital thermometer has no microcontroller inside. (a) True (b) False
  33. 33.Which of these has no microcontroller inside? (a) a TV remote (b) a bicycle bell (c) a microwave oven (d) a washing machine
  34. 34.🧭 Which part of a microcontroller board runs the program? (a) the voltage regulator (b) the power LED (c) the main chip (d) the pins
  35. 35.Which of these has no microcontroller inside? (a) a plain wall switch (b) a washing machine (c) a TV remote (d) a digital thermometer
  36. 36.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) sent by sound (c) uploaded over USB (d) typed on the chip
  37. 37.🧭 Which part of a microcontroller board brings power and code? (a) the USB port (b) the voltage regulator (c) the reset button (d) the pins
  38. 38.True or false: a laptop has no screen of its own. (a) True (b) False
  39. 39.Which of these usually has a microcontroller inside? (a) a spinning top (b) a microwave oven (c) a plain wall switch (d) a hand pump
  40. 40.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No

Answer key

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

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