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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 155 · 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) restarts the program (b) shows the board is on (c) runs the program (d) brings power and code
  2. 2.Which of these usually has a microcontroller inside? (a) a smart watch (b) a spinning top (c) a wind-up toy (d) a candle
  3. 3.🤖 When the main loop of a microcontroller program ends, what happens? (a) the board breaks (b) it starts again (c) it deletes itself (d) it stops forever
  4. 4.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  5. 5.🤖 How does a new program get onto a microcontroller board? (a) drawn with a pen (b) uploaded over USB (c) typed on the chip (d) sent by sound
  6. 6.🤖 What is a microcontroller? (a) a big desktop computer (b) a type of battery (c) a kind of bulb (d) a computer on one chip
  7. 7.Which of these has no microcontroller inside? (a) a TV remote (b) a microwave oven (c) a bicycle bell (d) a digital alarm clock
  8. 8.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  9. 9.Which job is done by the power LED? (a) shows the board is on (b) connect sensors and LEDs (c) runs the program (d) restarts the program
  10. 10.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the voltage regulator (b) the power LED (c) the pins (d) the main chip
  11. 11.Which job is done by the pins? (a) brings power and code (b) connect sensors and LEDs (c) restarts the program (d) keeps the voltage steady
  12. 12.True or false: a candle usually has a microcontroller inside. (a) False (b) True
  13. 13.True or false: a microcontroller has a built-in keyboard. (a) False (b) True
  14. 14.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a digital alarm clock (c) a bicycle bell (d) a candle
  15. 15.Which of these has no microcontroller inside? (a) a wind-up toy (b) a TV remote (c) a toy robot (d) a washing machine
  16. 16.True or false: a hand pump has no microcontroller inside. (a) False (b) True
  17. 17.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  18. 18.Which of these usually has a microcontroller inside? (a) a candle (b) a plain wall switch (c) a wind-up toy (d) a microwave oven
  19. 19.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
  20. 20.True or false: a digital thermometer usually has a microcontroller inside. (a) False (b) True
  21. 21.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  22. 22.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  23. 23.🧭 Which part of a microcontroller board shows the board is on? (a) the main chip (b) the pins (c) the power LED (d) the USB port
  24. 24.Which of these usually has a microcontroller inside? (a) a hand pump (b) a candle (c) a digital thermometer (d) a plain wall switch
  25. 25.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the reset button (b) the USB port (c) the power LED (d) the voltage regulator
  26. 26.Which of these usually has a microcontroller inside? (a) a hand pump (b) a candle (c) a washing machine (d) a bicycle bell
  27. 27.True or false: a microcontroller runs many apps at once. (a) False (b) True
  28. 28.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  29. 29.True or false: a microcontroller needs much more power. (a) False (b) True
  30. 30.True or false: a laptop runs one small program. (a) False (b) True
  31. 31.🧭 Which part of a microcontroller board brings power and code? (a) the USB port (b) the voltage regulator (c) the pins (d) the main chip
  32. 32.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  33. 33.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  34. 34.True or false: a laptop has no screen of its own. (a) True (b) False
  35. 35.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  36. 36.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  37. 37.Which of these has no microcontroller inside? (a) a plain wall switch (b) a microwave oven (c) a TV remote (d) a washing machine
  38. 38.Which of these has no microcontroller inside? (a) a TV remote (b) a candle (c) a smart watch (d) a digital alarm clock
  39. 39.True or false: a bicycle bell has no microcontroller inside. (a) False (b) True
  40. 40.🤖 Where does the board keep its program when the power is off? (a) the power LED (b) the USB cable (c) the resistor (d) flash memory

Answer key

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

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