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Arduino Uno Quiz

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1. Which microcontroller is used on the Arduino Uno R3?
A. ATmega328P
B. ATmega2560
C. ESP32
D. STM32F103
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2. How many digital I/O pins does the Arduino Uno have?
A. 12
B. 16
C. 20
D. 14
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3. What is the typical operating voltage of the Arduino Uno?
A. 12V
B. 5V
C. 3.3V
D. 9V
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4. Which of the following are features of the Arduino Uno? [Checkboxes]
A. It uses an ATmega328P microcontroller
B. It supports USB communication
C. It has built-in Wi-Fi
D. It has 14 digital input/output pins
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5. Which of the following can be used to program an Arduino Uno? [Checkboxes]
A. Arduino IDE
B. C/C++ sketches
C. Microsoft Word
D. USB connection to a computer
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6. Which statements about Arduino Uno power options are correct? [Checkboxes]
A. It can be powered through the USB port
B. It can be powered through the barrel jack
C. It requires only batteries and cannot use external power
D. It can accept an external regulated supply
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7. The Arduino Uno uses a 10-bit analog-to-digital converter.
A. True
B. False
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8. The Arduino Uno has built-in Bluetooth support.
A. True
B. False
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9. The Arduino Uno has 6 analog input pins.
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10. The default clock speed of the Arduino Uno is 16 MHz.
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11. Briefly explain two common uses of the Arduino Uno in electronics projects.
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