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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 690 · 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.🤖 Where does the board keep its program when the power is off? (a) the resistor (b) flash memory (c) the power LED (d) the USB cable
  2. 2.🤖 Does a candle usually have a microcontroller inside? (a) No (b) Yes
  3. 3.Which job is done by the USB port? (a) runs the program (b) shows the board is on (c) brings power and code (d) restarts the program
  4. 4.Which of these has no microcontroller inside? (a) a microwave oven (b) a toy robot (c) a spinning top (d) a digital thermometer
  5. 5.Which of these has no microcontroller inside? (a) a toy robot (b) a washing machine (c) a smart watch (d) a bicycle bell
  6. 6.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a smart watch (c) a bicycle bell (d) a candle
  7. 7.Which job is done by the main chip? (a) runs the program (b) connect sensors and LEDs (c) keeps the voltage steady (d) brings power and code
  8. 8.True or false: a plain wall switch usually has a microcontroller inside. (a) True (b) False
  9. 9.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) typed on the chip (c) sent by sound (d) uploaded over USB
  10. 10.🤖 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
  11. 11.🤖 When the main loop of a microcontroller program ends, what happens? (a) it stops forever (b) the board breaks (c) it deletes itself (d) it starts again
  12. 12.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
  13. 13.🧭 Which part of a microcontroller board shows the board is on? (a) the pins (b) the power LED (c) the USB port (d) the reset button
  14. 14.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  15. 15.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes
  16. 16.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the power LED (b) the reset button (c) the pins (d) the voltage regulator
  17. 17.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  18. 18.🤖 Does a washing machine usually have a microcontroller inside? (a) Yes (b) No
  19. 19.True or false: a washing machine has no microcontroller inside. (a) False (b) True
  20. 20.🧭 Which part of a microcontroller board runs the program? (a) the voltage regulator (b) the power LED (c) the main chip (d) the reset button
  21. 21.True or false: a hand pump has no microcontroller inside. (a) False (b) True
  22. 22.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  23. 23.Which of these usually has a microcontroller inside? (a) a microwave oven (b) a wind-up toy (c) a spinning top (d) a candle
  24. 24.True or false: a laptop needs much more power. (a) True (b) False
  25. 25.True or false: a wind-up toy has no microcontroller inside. (a) True (b) False
  26. 26.🤖 Which is a safe power source for a beginner microcontroller board? (a) bare mains wires (b) a 230 V cable (c) a wall socket directly (d) USB or a 9 V battery
  27. 27.Which of these has no microcontroller inside? (a) a candle (b) a microwave oven (c) a toy robot (d) a washing machine
  28. 28.🧭 Which part of a microcontroller board brings power and code? (a) the pins (b) the reset button (c) the main chip (d) the USB port
  29. 29.True or false: a digital thermometer has no microcontroller inside. (a) True (b) False
  30. 30.True or false: a microcontroller needs much more power. (a) True (b) False
  31. 31.🤖 Microcontroller or laptop: which one needs much more power? (a) laptop (b) microcontroller
  32. 32.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  33. 33.Which of these usually has a microcontroller inside? (a) a candle (b) a spinning top (c) a bicycle bell (d) a TV remote
  34. 34.True or false: a laptop has a built-in keyboard. (a) False (b) True
  35. 35.🤖 Does a smart watch usually have a microcontroller inside? (a) No (b) Yes
  36. 36.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  37. 37.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the voltage regulator (b) the reset button (c) the pins (d) the main chip
  38. 38.Which of these has no microcontroller inside? (a) a smart watch (b) a digital alarm clock (c) a plain wall switch (d) a digital thermometer
  39. 39.Which of these has no microcontroller inside? (a) a digital thermometer (b) a TV remote (c) a washing machine (d) a hand pump
  40. 40.True or false: a smart watch usually has a microcontroller inside. (a) False (b) True

Answer key

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

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