← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 558 · 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 washing machine usually have a microcontroller inside? (a) No (b) Yes
  2. 2.🤖 What is a microcontroller? (a) a computer on one chip (b) a type of battery (c) a kind of bulb (d) a big desktop computer
  3. 3.True or false: a laptop has no screen of its own. (a) True (b) False
  4. 4.🧭 Which part of a microcontroller board brings power and code? (a) the USB port (b) the voltage regulator (c) the power LED (d) the main chip
  5. 5.True or false: a microcontroller has a built-in keyboard. (a) False (b) True
  6. 6.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  7. 7.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  8. 8.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  9. 9.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  10. 10.True or false: a microwave oven usually has a microcontroller inside. (a) True (b) False
  11. 11.True or false: a toy robot usually has a microcontroller inside. (a) False (b) True
  12. 12.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the pins (b) the voltage regulator (c) the main chip (d) the USB port
  13. 13.Which job is done by the pins? (a) runs the program (b) keeps the voltage steady (c) connect sensors and LEDs (d) shows the board is on
  14. 14.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  15. 15.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  16. 16.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) uploaded over USB (c) drawn with a pen (d) typed on the chip
  17. 17.Which job is done by the USB port? (a) brings power and code (b) restarts the program (c) keeps the voltage steady (d) connect sensors and LEDs
  18. 18.True or false: a microwave oven has no microcontroller inside. (a) True (b) False
  19. 19.🤖 Microcontroller or laptop: which one needs much more power? (a) laptop (b) microcontroller
  20. 20.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a spinning top (c) a toy robot (d) a hand pump
  21. 21.🤖 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
  22. 22.🧭 Which part of a microcontroller board shows the board is on? (a) the voltage regulator (b) the USB port (c) the power LED (d) the main chip
  23. 23.True or false: a digital thermometer has no microcontroller inside. (a) True (b) False
  24. 24.Which of these usually has a microcontroller inside? (a) a digital alarm clock (b) a hand pump (c) a spinning top (d) a candle
  25. 25.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  26. 26.Which job is done by the main chip? (a) brings power and code (b) runs the program (c) shows the board is on (d) restarts the program
  27. 27.Which of these usually has a microcontroller inside? (a) a wind-up toy (b) a candle (c) a digital thermometer (d) a bicycle bell
  28. 28.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  29. 29.Which job is done by the power LED? (a) restarts the program (b) shows the board is on (c) brings power and code (d) connect sensors and LEDs
  30. 30.True or false: a laptop runs one small program. (a) True (b) False
  31. 31.Which of these has no microcontroller inside? (a) a spinning top (b) a smart watch (c) a washing machine (d) a digital thermometer
  32. 32.True or false: a laptop has a built-in keyboard. (a) True (b) False
  33. 33.True or false: a microcontroller needs much more power. (a) True (b) False
  34. 34.Which of these usually has a microcontroller inside? (a) a hand pump (b) a microwave oven (c) a spinning top (d) a candle
  35. 35.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  36. 36.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  37. 37.Which of these usually has a microcontroller inside? (a) a hand pump (b) a spinning top (c) a bicycle bell (d) a washing machine
  38. 38.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the main chip (b) the reset button (c) the voltage regulator (d) the pins
  39. 39.🧭 Which part of a microcontroller board restarts the program? (a) the voltage regulator (b) the USB port (c) the pins (d) the reset button
  40. 40.🤖 Does a digital thermometer usually have a microcontroller inside? (a) Yes (b) No

Answer key

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

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