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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 152 · 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.

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

Answer key

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

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