← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

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

Answer key

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

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