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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 139 · 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 part of a microcontroller board runs the program? (a) the main chip (b) the voltage regulator (c) the power LED (d) the USB port
  2. 2.🤖 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
  3. 3.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  4. 4.Which job is done by the pins? (a) keeps the voltage steady (b) shows the board is on (c) connect sensors and LEDs (d) restarts the program
  5. 5.🤖 Where does the board keep its program when the power is off? (a) the USB cable (b) the power LED (c) the resistor (d) flash memory
  6. 6.Which of these has no microcontroller inside? (a) a washing machine (b) a plain wall switch (c) a TV remote (d) a smart watch
  7. 7.Which job is done by the main chip? (a) connect sensors and LEDs (b) brings power and code (c) restarts the program (d) runs the program
  8. 8.True or false: a TV remote usually has a microcontroller inside. (a) False (b) True
  9. 9.True or false: a laptop runs one small program. (a) True (b) False
  10. 10.True or false: a microcontroller runs many apps at once. (a) False (b) True
  11. 11.Which of these has no microcontroller inside? (a) a digital thermometer (b) a digital alarm clock (c) a microwave oven (d) a wind-up toy
  12. 12.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  13. 13.🤖 When the main loop of a microcontroller program ends, what happens? (a) it stops forever (b) it deletes itself (c) the board breaks (d) it starts again
  14. 14.🤖 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
  15. 15.Which job is done by the reset button? (a) connect sensors and LEDs (b) runs the program (c) brings power and code (d) restarts the program
  16. 16.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller
  17. 17.Which job is done by the USB port? (a) keeps the voltage steady (b) shows the board is on (c) connect sensors and LEDs (d) brings power and code
  18. 18.Which of these usually has a microcontroller inside? (a) a candle (b) a hand pump (c) a wind-up toy (d) a washing machine
  19. 19.True or false: a wind-up toy has no microcontroller inside. (a) True (b) False
  20. 20.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  21. 21.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  22. 22.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
  23. 23.True or false: a microcontroller has a built-in keyboard. (a) False (b) True
  24. 24.True or false: a microcontroller needs much more power. (a) True (b) False
  25. 25.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  26. 26.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  27. 27.Which of these usually has a microcontroller inside? (a) a hand pump (b) a bicycle bell (c) a microwave oven (d) a wind-up toy
  28. 28.True or false: a microcontroller runs one small program. (a) True (b) False
  29. 29.True or false: a hand pump has no microcontroller inside. (a) True (b) False
  30. 30.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
  31. 31.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  32. 32.🧭 Which part of a microcontroller board brings power and code? (a) the USB port (b) the voltage regulator (c) the reset button (d) the power LED
  33. 33.True or false: a digital alarm clock has no microcontroller inside. (a) False (b) True
  34. 34.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  35. 35.Which of these has no microcontroller inside? (a) a digital thermometer (b) a toy robot (c) a TV remote (d) a bicycle bell
  36. 36.True or false: a smart watch usually has a microcontroller inside. (a) False (b) True
  37. 37.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  38. 38.True or false: a laptop has no screen of its own. (a) False (b) True
  39. 39.True or false: a digital alarm clock usually has a microcontroller inside. (a) True (b) False
  40. 40.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No

Answer key

  1. the main chip
  2. a computer on one chip
  3. True
  4. connect sensors and LEDs
  5. flash memory
  6. a plain wall switch
  7. runs the program
  8. True
  9. False
  10. False
  11. a wind-up toy
  12. microcontroller
  13. it starts again
  14. USB or a 9 V battery
  15. restarts the program
  16. laptop
  17. brings power and code
  18. a washing machine
  19. True
  20. False
  21. Yes
  22. No
  23. False
  24. False
  25. microcontroller
  26. Yes
  27. a microwave oven
  28. True
  29. True
  30. Yes
  31. Yes
  32. the USB port
  33. False
  34. microcontroller
  35. a bicycle bell
  36. True
  37. No
  38. False
  39. True
  40. No

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