Where exactly do function pointers point?

Question

Given that all the primitive data types and objects have memory allocated, it is intuitively easy to imagine the pointers to these types.

But where exactly do function p

Answer 1

Well I'm not sure but considering that functions are instructions(ADD, SUB, JMP) and that each of them have hexadecimal values, I believe that you would not be altering the function but only the JMP instruction()...