Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 702 · 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.🤖 What is a microcontroller? (a) a kind of bulb (b) a type of battery (c) a big desktop computer (d) a computer on one chip
2. 2.True or false: a microcontroller has no screen of its own. (a) False (b) True
3. 3.Which of these has no microcontroller inside? (a) a washing machine (b) a microwave oven (c) a bicycle bell (d) a TV remote
4. 4.Which of these usually has a microcontroller inside? (a) a hand pump (b) a TV remote (c) a candle (d) a wind-up toy
5. 5.True or false: a candle has no microcontroller inside. (a) True (b) False
6. 6.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
7. 7.Which job is done by the reset button? (a) restarts the program (b) brings power and code (c) connect sensors and LEDs (d) keeps the voltage steady
8. 8.🧭 Which part of a microcontroller board keeps the voltage steady? (a) the power LED (b) the pins (c) the voltage regulator (d) the USB port
9. 9.True or false: a digital thermometer usually has a microcontroller inside. (a) True (b) False
10. 10.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
11. 11.True or false: a digital alarm clock has no microcontroller inside. (a) True (b) False
12. 12.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) uploaded over USB (c) typed on the chip (d) drawn with a pen
13. 13.🤖 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
14. 14.🤖 Microcontroller or laptop: which one has no screen of its own? (a) laptop (b) microcontroller
15. 15.True or false: a laptop runs one small program. (a) False (b) True
16. 16.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
17. 17.True or false: a candle usually has a microcontroller inside. (a) True (b) False
18. 18.True or false: a laptop runs many apps at once. (a) True (b) False
19. 19.Which job is done by the main chip? (a) keeps the voltage steady (b) runs the program (c) brings power and code (d) restarts the program
20. 20.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) microcontroller (b) laptop
21. 21.🧭 Which part of a microcontroller board runs the program? (a) the pins (b) the voltage regulator (c) the main chip (d) the USB port
22. 22.True or false: a laptop uses very little power. (a) True (b) False
23. 23.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
24. 24.🤖 Does a TV remote usually have a microcontroller inside? (a) No (b) Yes
25. 25.🤖 Does a candle usually have a microcontroller inside? (a) Yes (b) No
26. 26.True or false: a laptop needs much more power. (a) True (b) False
27. 27.Which of these has no microcontroller inside? (a) a candle (b) a washing machine (c) a microwave oven (d) a digital thermometer
28. 28.Which of these has no microcontroller inside? (a) a washing machine (b) a hand pump (c) a TV remote (d) a digital thermometer
29. 29.🤖 Does a spinning top usually have a microcontroller inside? (a) Yes (b) No
30. 30.True or false: a hand pump usually has a microcontroller inside. (a) True (b) False
31. 31.True or false: a wind-up toy usually has a microcontroller inside. (a) True (b) False
32. 32.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the reset button (b) the pins (c) the power LED (d) the main chip
33. 33.🤖 Does a toy robot usually have a microcontroller inside? (a) Yes (b) No
34. 34.True or false: a TV remote usually has a microcontroller inside. (a) True (b) False
35. 35.Which of these usually has a microcontroller inside? (a) a candle (b) a bicycle bell (c) a microwave oven (d) a spinning top
36. 36.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a spinning top (c) a hand pump (d) a digital thermometer
37. 37.Which of these usually has a microcontroller inside? (a) a toy robot (b) a candle (c) a plain wall switch (d) a bicycle bell
38. 38.🤖 Where does the board keep its program when the power is off? (a) the power LED (b) the USB cable (c) the resistor (d) flash memory
39. 39.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
40. 40.🤖 Microcontroller or laptop: which one runs many apps at once? (a) laptop (b) microcontroller

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