← What is a microcontroller? lesson New set →

Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 678 · 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.🤖 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
  2. 2.🧭 Which part of a microcontroller board runs the program? (a) the pins (b) the power LED (c) the USB port (d) the main chip
  3. 3.True or false: a laptop runs one small program. (a) True (b) False
  4. 4.🤖 Does a microwave oven usually have a microcontroller inside? (a) Yes (b) No
  5. 5.🤖 Does a digital thermometer usually have a microcontroller inside? (a) No (b) Yes
  6. 6.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) Yes (b) No
  7. 7.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  8. 8.True or false: a microwave oven usually has a microcontroller inside. (a) False (b) True
  9. 9.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the pins (b) the USB port (c) the main chip (d) the voltage regulator
  10. 10.🤖 Which is a safe power source for a beginner microcontroller board? (a) a 230 V cable (b) bare mains wires (c) a wall socket directly (d) USB or a 9 V battery
  11. 11.True or false: a spinning top usually has a microcontroller inside. (a) False (b) True
  12. 12.True or false: a microwave oven has no microcontroller inside. (a) False (b) True
  13. 13.True or false: a TV remote has no microcontroller inside. (a) True (b) False
  14. 14.🧭 Which part of a microcontroller board shows the board is on? (a) the pins (b) the USB port (c) the reset button (d) the power LED
  15. 15.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
  16. 16.True or false: a laptop runs many apps at once. (a) True (b) False
  17. 17.Which job is done by the USB port? (a) shows the board is on (b) keeps the voltage steady (c) brings power and code (d) runs the program
  18. 18.True or false: a toy robot has no microcontroller inside. (a) False (b) True
  19. 19.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
  20. 20.True or false: a laptop needs much more power. (a) False (b) True
  21. 21.True or false: a laptop has no screen of its own. (a) False (b) True
  22. 22.True or false: a microcontroller needs much more power. (a) False (b) True
  23. 23.Which job is done by the main chip? (a) brings power and code (b) shows the board is on (c) keeps the voltage steady (d) runs the program
  24. 24.🤖 What is a microcontroller? (a) a big desktop computer (b) a kind of bulb (c) a type of battery (d) a computer on one chip
  25. 25.Which job is done by the pins? (a) connect sensors and LEDs (b) brings power and code (c) shows the board is on (d) runs the program
  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.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  28. 28.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
  29. 29.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  30. 30.Which of these has no microcontroller inside? (a) a digital thermometer (b) a hand pump (c) a microwave oven (d) a toy robot
  31. 31.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the reset button (b) the voltage regulator (c) the power LED (d) the main chip
  32. 32.True or false: a washing machine has no microcontroller inside. (a) True (b) False
  33. 33.True or false: a microcontroller uses very little power. (a) False (b) True
  34. 34.True or false: a laptop has a built-in keyboard. (a) True (b) False
  35. 35.True or false: a digital alarm clock has no microcontroller inside. (a) True (b) False
  36. 36.🤖 Microcontroller or laptop: which one uses very little power? (a) microcontroller (b) laptop
  37. 37.True or false: a digital thermometer has no microcontroller inside. (a) False (b) True
  38. 38.Which of these has no microcontroller inside? (a) a digital alarm clock (b) a spinning top (c) a microwave oven (d) a washing machine
  39. 39.True or false: a plain wall switch has no microcontroller inside. (a) False (b) True
  40. 40.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a toy robot (c) a candle (d) a bicycle bell

Answer key

  1. uploaded over USB
  2. the main chip
  3. False
  4. Yes
  5. Yes
  6. Yes
  7. No
  8. True
  9. the pins
  10. USB or a 9 V battery
  11. False
  12. False
  13. False
  14. the power LED
  15. laptop
  16. True
  17. brings power and code
  18. False
  19. No
  20. True
  21. False
  22. False
  23. runs the program
  24. a computer on one chip
  25. connect sensors and LEDs
  26. it starts again
  27. laptop
  28. microcontroller
  29. microcontroller
  30. a hand pump
  31. the voltage regulator
  32. False
  33. True
  34. True
  35. False
  36. microcontroller
  37. False
  38. a spinning top
  39. True
  40. a toy robot

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