for(;;) {
    digitalWrite(LED_BUILTIN, HIGH);
}

for(;;) {
    digitalWrite(LED_BUILTIN, HIGH);
}

A. LED blinks continuously
B. LED turns ON once and program exits
C. LED remains ON and program never exits the loop
D. Compilation error

Solution

C. LED remains ON and program never exits the loop

Explanation

for(;;) is an infinite loop. The LED is repeatedly set HIGH and no statement turns it LOW. <br><br> for(;;) एक infinite loop है। LED लगातार HIGH set होती रहती है और loop कभी समाप्त नहीं होता।