Parameters: a. If reference parameters can be used in any function, why use valu

Question

   Parameters:                         
a. If reference parameters can be used in any function, why use value parameters at all?     

                              
b. How are value parameters useful in processing data in a program?

c. Why is it generally not wise to combine value-returning functions with reference parameters?                              

d. List 2 situations in which default parameters might be useful..   

Arrays:                                  
a. What are at least 2 ways to prevent out of bounds errors when reading input into C-strings?     

                       
b. Discuss some useful applications for n-dimensional arrays, such as graphical 3-D or biotechnology applications.

Explanation / Answer

a. because refeerence variable changes the value of original variables but normal parameters don't.

b. they do not alter the value of variables passed as arguments

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