← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 364 · 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.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  2. 2.🧭 Which part of a microcontroller board shows the board is on? (a) the USB port (b) the voltage regulator (c) the power LED (d) the main chip
  3. 3.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  4. 4.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) uploaded over USB (c) sent by sound (d) typed on the chip
  5. 5.🤖 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
  6. 6.Which of these usually has a microcontroller inside? (a) a candle (b) a hand pump (c) a washing machine (d) a bicycle bell
  7. 7.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  8. 8.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  9. 9.🧭 Which part of a microcontroller board restarts the program? (a) the main chip (b) the reset button (c) the voltage regulator (d) the pins
  10. 10.True or false: a digital thermometer usually has a microcontroller inside. (a) False (b) True
  11. 11.True or false: a TV remote usually has a microcontroller inside. (a) False (b) True
  12. 12.🤖 Microcontroller or laptop: which one needs much more power? (a) laptop (b) microcontroller
  13. 13.🤖 Which is a safe power source for a beginner microcontroller board? (a) a 230 V cable (b) bare mains wires (c) a wall socket directly (d) USB or a 9 V battery
  14. 14.True or false: a microcontroller uses very little power. (a) True (b) False
  15. 15.Which of these usually has a microcontroller inside? (a) a candle (b) a bicycle bell (c) a digital alarm clock (d) a plain wall switch
  16. 16.Which of these usually has a microcontroller inside? (a) a TV remote (b) a candle (c) a hand pump (d) a plain wall switch
  17. 17.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a hand pump (c) a smart watch (d) a spinning top
  18. 18.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  19. 19.Which job is done by the reset button? (a) keeps the voltage steady (b) shows the board is on (c) restarts the program (d) runs the program
  20. 20.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  21. 21.Which of these has no microcontroller inside? (a) a digital thermometer (b) a plain wall switch (c) a digital alarm clock (d) a microwave oven
  22. 22.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  23. 23.Which of these has no microcontroller inside? (a) a TV remote (b) a spinning top (c) a toy robot (d) a digital alarm clock
  24. 24.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the voltage regulator (b) the pins (c) the reset button (d) the power LED
  25. 25.🤖 Where does the board keep its program when the power is off? (a) the USB cable (b) the resistor (c) the power LED (d) flash memory
  26. 26.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  27. 27.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  28. 28.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  29. 29.Which of these has no microcontroller inside? (a) a toy robot (b) a washing machine (c) a microwave oven (d) a bicycle bell
  30. 30.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  31. 31.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the reset button (b) the USB port (c) the voltage regulator (d) the power LED
  32. 32.True or false: a laptop has no screen of its own. (a) True (b) False
  33. 33.🧭 Which part of a microcontroller board brings power and code? (a) the power LED (b) the reset button (c) the USB port (d) the main chip
  34. 34.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No
  35. 35.Which job is done by the main chip? (a) runs the program (b) shows the board is on (c) restarts the program (d) keeps the voltage steady
  36. 36.🧭 Which part of a microcontroller board runs the program? (a) the main chip (b) the pins (c) the USB port (d) the power LED
  37. 37.Which of these has no microcontroller inside? (a) a toy robot (b) a smart watch (c) a digital alarm clock (d) a candle
  38. 38.Which job is done by the USB port? (a) runs the program (b) brings power and code (c) keeps the voltage steady (d) restarts the program
  39. 39.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  40. 40.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No

Answer key

  1. Yes
  2. the power LED
  3. True
  4. uploaded over USB
  5. a computer on one chip
  6. a washing machine
  7. No
  8. microcontroller
  9. the reset button
  10. True
  11. True
  12. laptop
  13. USB or a 9 V battery
  14. True
  15. a digital alarm clock
  16. a TV remote
  17. a smart watch
  18. False
  19. restarts the program
  20. Yes
  21. a plain wall switch
  22. microcontroller
  23. a spinning top
  24. the pins
  25. flash memory
  26. No
  27. No
  28. laptop
  29. a bicycle bell
  30. microcontroller
  31. the voltage regulator
  32. False
  33. the USB port
  34. Yes
  35. runs the program
  36. the main chip
  37. a candle
  38. brings power and code
  39. No
  40. Yes

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