← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 153 · 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.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  2. 2.Which job is done by the voltage regulator? (a) runs the program (b) shows the board is on (c) restarts the program (d) keeps the voltage steady
  3. 3.True or false: a microcontroller runs one small program. (a) True (b) False
  4. 4.True or false: a plain wall switch usually has a microcontroller inside. (a) False (b) True
  5. 5.🤖 What is a microcontroller? (a) a big desktop computer (b) a computer on one chip (c) a type of battery (d) a kind of bulb
  6. 6.True or false: a microcontroller runs many apps at once. (a) True (b) False
  7. 7.True or false: a microwave oven has no microcontroller inside. (a) True (b) False
  8. 8.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  9. 9.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No
  10. 10.Which of these has no microcontroller inside? (a) a digital thermometer (b) a digital alarm clock (c) a spinning top (d) a microwave oven
  11. 11.Which of these has no microcontroller inside? (a) a microwave oven (b) a bicycle bell (c) a digital thermometer (d) a TV remote
  12. 12.Which of these has no microcontroller inside? (a) a microwave oven (b) a washing machine (c) a hand pump (d) a digital alarm clock
  13. 13.🧭 Which part of a microcontroller board shows the board is on? (a) the power LED (b) the pins (c) the main chip (d) the voltage regulator
  14. 14.True or false: a microcontroller uses very little power. (a) False (b) True
  15. 15.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
  16. 16.True or false: a laptop needs much more power. (a) False (b) True
  17. 17.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  18. 18.True or false: a microcontroller needs much more power. (a) False (b) True
  19. 19.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  20. 20.Which job is done by the pins? (a) restarts the program (b) runs the program (c) shows the board is on (d) connect sensors and LEDs
  21. 21.True or false: a digital thermometer usually has a microcontroller inside. (a) False (b) True
  22. 22.Which of these usually has a microcontroller inside? (a) a toy robot (b) a candle (c) a bicycle bell (d) a hand pump
  23. 23.Which of these has no microcontroller inside? (a) a wind-up toy (b) a smart watch (c) a microwave oven (d) a toy robot
  24. 24.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  25. 25.Which job is done by the USB port? (a) brings power and code (b) restarts the program (c) connect sensors and LEDs (d) runs the program
  26. 26.Which job is done by the reset button? (a) keeps the voltage steady (b) shows the board is on (c) restarts the program (d) connect sensors and LEDs
  27. 27.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  28. 28.Which job is done by the power LED? (a) shows the board is on (b) connect sensors and LEDs (c) brings power and code (d) restarts the program
  29. 29.🤖 Does a plain wall switch usually have a microcontroller inside? (a) No (b) Yes
  30. 30.🤖 How does a new program get onto a microcontroller board? (a) typed on the chip (b) sent by sound (c) drawn with a pen (d) uploaded over USB
  31. 31.True or false: a bicycle bell usually has a microcontroller inside. (a) False (b) True
  32. 32.Which job is done by the main chip? (a) connect sensors and LEDs (b) runs the program (c) brings power and code (d) restarts the program
  33. 33.True or false: a laptop uses very little power. (a) True (b) False
  34. 34.True or false: a laptop runs one small program. (a) False (b) True
  35. 35.Which of these usually has a microcontroller inside? (a) a spinning top (b) a hand pump (c) a bicycle bell (d) a washing machine
  36. 36.True or false: a candle has no microcontroller inside. (a) False (b) True
  37. 37.True or false: a digital alarm clock has no microcontroller inside. (a) False (b) True
  38. 38.🤖 When the main loop of a microcontroller program ends, what happens? (a) it stops forever (b) the board breaks (c) it starts again (d) it deletes itself
  39. 39.True or false: a washing machine usually has a microcontroller inside. (a) False (b) True
  40. 40.Which of these has no microcontroller inside? (a) a plain wall switch (b) a digital alarm clock (c) a smart watch (d) a toy robot

Answer key

  1. laptop
  2. keeps the voltage steady
  3. True
  4. False
  5. a computer on one chip
  6. False
  7. False
  8. Yes
  9. No
  10. a spinning top
  11. a bicycle bell
  12. a hand pump
  13. the power LED
  14. True
  15. laptop
  16. True
  17. microcontroller
  18. False
  19. No
  20. connect sensors and LEDs
  21. True
  22. a toy robot
  23. a wind-up toy
  24. microcontroller
  25. brings power and code
  26. restarts the program
  27. False
  28. shows the board is on
  29. No
  30. uploaded over USB
  31. False
  32. runs the program
  33. False
  34. False
  35. a washing machine
  36. True
  37. False
  38. it starts again
  39. True
  40. a plain wall switch

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids