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निम्नलिखित अरुडिनो कोड का आउटपुट क्या होगा?

What will be the output of the following Arduino code ?

void main() {
int k = 0;
double d = 10.21;
printf(“%lu”, sizeof(k + d));
}
void loop() {}

A)
B)
C)
D)

Explanation:

The code calculates the size of the result of k + d, where k is an integer and d is a double. Since adding an integer and a double promotes the result to a double, the size of the result (k + d) is 8 bytes (the size of a double on most Arduino boards). Therefore, the output is 8.

Correct answer: (B) 8.

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