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Electronics Worksheet: What Is a Microcontroller

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

Answer key

  1. laptop
  2. shows the board is on
  3. the USB port
  4. Yes
  5. it starts again
  6. Yes
  7. uploaded over USB
  8. Yes
  9. True
  10. No
  11. the pins
  12. True
  13. True
  14. True
  15. flash memory
  16. Yes
  17. Yes
  18. connect sensors and LEDs
  19. No
  20. No
  21. a microwave oven
  22. No
  23. the power LED
  24. True
  25. False
  26. Yes
  27. microcontroller
  28. microcontroller
  29. True
  30. True
  31. True
  32. the main chip
  33. Yes
  34. True
  35. USB or a 9 V battery
  36. True
  37. False
  38. False
  39. True
  40. True

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