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QusWhat is the role of the lcd.begin() function in an Arduino program? QusArduino प्रोग्राम में lcd.begin() फ़ंक्शन की क्या भूमिका है?

A. It initializes the LCD with the number of columns and rows.
B. It prints a message to the LCD.
C. It clears the LCD display.
D. It changes the LCD backlight.

Solution

A. It initializes the LCD with the number of columns and rows.