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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 114 · 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.True or false: a laptop uses very little power. (a) True (b) False
  2. 2.🧭 Which part of a microcontroller board restarts the program? (a) the USB port (b) the main chip (c) the voltage regulator (d) the reset button
  3. 3.🤖 What is a microcontroller? (a) a kind of bulb (b) a big desktop computer (c) a type of battery (d) a computer on one chip
  4. 4.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  5. 5.True or false: a candle usually has a microcontroller inside. (a) True (b) False
  6. 6.True or false: a microcontroller has a built-in keyboard. (a) False (b) True
  7. 7.True or false: a spinning top usually has a microcontroller inside. (a) True (b) False
  8. 8.🤖 How does a new program get onto a microcontroller board? (a) typed on the chip (b) drawn with a pen (c) uploaded over USB (d) sent by sound
  9. 9.Which of these has no microcontroller inside? (a) a bicycle bell (b) a microwave oven (c) a smart watch (d) a digital thermometer
  10. 10.True or false: a digital alarm clock usually has a microcontroller inside. (a) True (b) False
  11. 11.True or false: a laptop runs one small program. (a) True (b) False
  12. 12.Which job is done by the USB port? (a) keeps the voltage steady (b) shows the board is on (c) restarts the program (d) brings power and code
  13. 13.🤖 Does a plain wall switch usually have a microcontroller inside? (a) Yes (b) No
  14. 14.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  15. 15.🤖 Does a bicycle bell usually have a microcontroller inside? (a) No (b) Yes
  16. 16.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a candle (c) a washing machine (d) a spinning top
  17. 17.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes
  18. 18.🧭 Which part of a microcontroller board shows the board is on? (a) the USB port (b) the reset button (c) the main chip (d) the power LED
  19. 19.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  20. 20.🤖 Where does the board keep its program when the power is off? (a) the USB cable (b) the resistor (c) flash memory (d) the power LED
  21. 21.True or false: a microcontroller has no screen of its own. (a) True (b) False
  22. 22.Which of these has no microcontroller inside? (a) a washing machine (b) a toy robot (c) a spinning top (d) a microwave oven
  23. 23.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the voltage regulator (b) the USB port (c) the main chip (d) the reset button
  24. 24.True or false: a laptop has no screen of its own. (a) False (b) True
  25. 25.🤖 Which is a safe power source for a beginner microcontroller board? (a) USB or a 9 V battery (b) a 230 V cable (c) a wall socket directly (d) bare mains wires
  26. 26.🤖 When the main loop of a microcontroller program ends, what happens? (a) it deletes itself (b) it stops forever (c) the board breaks (d) it starts again
  27. 27.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  28. 28.True or false: a microcontroller needs much more power. (a) False (b) True
  29. 29.🧭 Which part of a microcontroller board brings power and code? (a) the USB port (b) the reset button (c) the main chip (d) the pins
  30. 30.Which of these usually has a microcontroller inside? (a) a digital thermometer (b) a hand pump (c) a spinning top (d) a wind-up toy
  31. 31.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  32. 32.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the reset button (b) the power LED (c) the pins (d) the USB port
  33. 33.True or false: a toy robot usually has a microcontroller inside. (a) False (b) True
  34. 34.True or false: a microcontroller runs many apps at once. (a) False (b) True
  35. 35.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  36. 36.🤖 Does a hand pump usually have a microcontroller inside? (a) Yes (b) No
  37. 37.🤖 Microcontroller or laptop: which one uses very little power? (a) laptop (b) microcontroller
  38. 38.🤖 Microcontroller or laptop: which one runs one small program? (a) microcontroller (b) laptop
  39. 39.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a smart watch (c) a spinning top (d) a plain wall switch
  40. 40.True or false: a digital alarm clock has no microcontroller inside. (a) True (b) False

Answer key

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

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