Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 436 · 40 questions

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.

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

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