Which is more effective while calling the C++ functions?

a) call by object
b) call by pointer
c) call by value
d) call by reference

1 thought on “Which is more effective while calling the C++ functions?”

  1. d
    Explanation: In the call by reference, it will just passes the reference of the memory addresses of passed values rather than copying the value to new memories which reduces the overall time and memory use.

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