Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 159 · 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 power LED? (a) brings power and code (b) shows the board is on (c) restarts the program (d) connect sensors and LEDs
2. 2.True or false: a microcontroller has no screen of its own. (a) False (b) True
3. 3.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a digital thermometer (c) a plain wall switch (d) a spinning top
4. 4.🤖 How does a new program get onto a microcontroller board? (a) typed on the chip (b) uploaded over USB (c) drawn with a pen (d) sent by sound
5. 5.🤖 Where does the board keep its program when the power is off? (a) the USB cable (b) the power LED (c) flash memory (d) the resistor
6. 6.Which job is done by the reset button? (a) shows the board is on (b) keeps the voltage steady (c) runs the program (d) restarts the program
7. 7.🤖 Microcontroller or laptop: which one needs much more power? (a) microcontroller (b) laptop
8. 8.🧭 Which part of a microcontroller board runs the program? (a) the main chip (b) the USB port (c) the pins (d) the power LED
9. 9.True or false: a microcontroller has a built-in keyboard. (a) True (b) False
10. 10.Which job is done by the pins? (a) connect sensors and LEDs (b) brings power and code (c) restarts the program (d) runs the program
11. 11.Which job is done by the main chip? (a) restarts the program (b) runs the program (c) brings power and code (d) shows the board is on
12. 12.🧭 Which part of a microcontroller board restarts the program? (a) the voltage regulator (b) the main chip (c) the pins (d) the reset button
13. 13.Which of these usually has a microcontroller inside? (a) a candle (b) a bicycle bell (c) a spinning top (d) a digital alarm clock
14. 14.🧭 Which part of a microcontroller board connect sensors and LEDs? (a) the power LED (b) the pins (c) the reset button (d) the voltage regulator
15. 15.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
16. 16.🧭 Which part of a microcontroller board shows the board is on? (a) the voltage regulator (b) the main chip (c) the power LED (d) the reset button
17. 17.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
18. 18.True or false: a hand pump usually has a microcontroller inside. (a) False (b) True
19. 19.🧭 Which part of a microcontroller board brings power and code? (a) the reset button (b) the pins (c) the power LED (d) the USB port
20. 20.Which of these has no microcontroller inside? (a) a smart watch (b) a washing machine (c) a digital thermometer (d) a plain wall switch
21. 21.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
22. 22.Which of these usually has a microcontroller inside? (a) a hand pump (b) a bicycle bell (c) a washing machine (d) a plain wall switch
23. 23.True or false: a laptop has no screen of its own. (a) True (b) False
24. 24.Which of these usually has a microcontroller inside? (a) a candle (b) a spinning top (c) a bicycle bell (d) a microwave oven
25. 25.Which of these has no microcontroller inside? (a) a microwave oven (b) a digital thermometer (c) a wind-up toy (d) a digital alarm clock
26. 26.True or false: a bicycle bell has no microcontroller inside. (a) True (b) False
27. 27.Which of these has no microcontroller inside? (a) a toy robot (b) a smart watch (c) a digital thermometer (d) a candle
28. 28.Which of these usually has a microcontroller inside? (a) a TV remote (b) a spinning top (c) a bicycle bell (d) a hand pump
29. 29.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
30. 30.Which job is done by the USB port? (a) keeps the voltage steady (b) shows the board is on (c) brings power and code (d) runs the program
31. 31.True or false: a laptop runs one small program. (a) True (b) False
32. 32.🤖 What is a microcontroller? (a) a kind of bulb (b) a big desktop computer (c) a computer on one chip (d) a type of battery
33. 33.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
34. 34.Which of these has no microcontroller inside? (a) a microwave oven (b) a washing machine (c) a TV remote (d) a spinning top
35. 35.True or false: a TV remote has no microcontroller inside. (a) False (b) True
36. 36.True or false: a laptop runs many apps at once. (a) True (b) False
37. 37.🤖 Does a wind-up toy usually have a microcontroller inside? (a) No (b) Yes
38. 38.🤖 Which is a safe power source for a beginner microcontroller board? (a) bare mains wires (b) USB or a 9 V battery (c) a 230 V cable (d) a wall socket directly
39. 39.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
40. 40.True or false: a smart watch usually has a microcontroller inside. (a) True (b) False

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