What are the advantages of passing arguments by reference? – McqOptions

MCQOPTIONS

1.	What are the advantages of passing arguments by reference?
A.	There is no need to call constructors for parameters (i.e. faster)
B.	Changes to parameter values within the function also affect the original arguments.
C.	There is need to copy parameter values (i.e. less memory used)
D.	All of above
E.	None of these
Answer» E. None of these

Discussion

No Comment Found

Related MCQs

What is the output of this program?<br><pre class="prettyprint lang-c">#include <iostream><br> using namespace std;<br> int function(int N, int M, int O)<br> {<br> return N + M;<br> }<br> double function(double N, double M, double O)<br> {<br> return N + M;<br> }<br> int main()<br> {<br> cout << function(7, 16);<br> cout << function(15.05, 61.16);<br> return 0;<br> }<br></iostream></pre>
What is the output of this program?<br><pre class="prettyprint lang-c">#include <iostream><br> using namespace std;<br> void function(int n)<br> {<br> cout << n< }<br> void function(double m)<br> {<br> cout << m;<br> }<br> int main(void)<br> {<br> function(10);<br> function(50.36);<br> return 0;<br> }<br></iostream></pre>
What is the output of the following program?<br><pre class="prettyprint lang-c">#include <iostream><br> using namespace std;<br> int calculate(int p, int q)<br> {<br> return (p * q);<br> }<br> float calculate (float p, float q)<br> {<br> return (p / q);<br> }<br> int main()<br> {<br> int n = 10, m = 3;<br> float r = 30.0, s = 10.0;<br> cout << calculate(n, m) < cout << calculate (r, s);<br> return 0;<br> }<br></iostream></pre>
What are the advantages of passing arguments by reference?
Which of the following permits function overloading on c++?
When our function doesn t need to return anything means what will we use/send as parameter in function?
What will happen while using pass by reference
Overloaded functions are