Question: What does this function do?

1. It declares a memory buffer named buff that starts at address 20 and ends at address 70.
2. It sets all bits in the array named buffer from its element at index 20 to its element at index 50.
3. It writes the value 20 in every memory address from buff to buff+49.
4. It declares a memory buffer named buff that starts at address 20 and ends at address 50.

Answer: The correct answer of the above question is Option C:It writes the value 20 in every memory address from buff to buff+49.