C Programming - C Functions Questions and Answers

Here we discuss the various concepts related to the Functions in C in multiple choice form.

1. The default parameter passing mechanism is ?

[A] Call by value

[B] Call by reference

[C] Call by value result

[D] None of above

2. The order in which actual arguments are evaluated in function call

[A] is from the left

[B] is from the right

[C] is compiler dependent

[D] None of above

3. Use of functions ?

[A] Helps to avoid repeating a set of statements many times

[B] Enhance the logical clarity of the program

[C] Helps to avoid repeated programming across program

[D] All of above

4. Forward declaration is absolutely necessary?

[A] if a function returns a non integer quantity

[B] if the function call precedes its definition

[C] if the function call precedes its definition and the function returns a non integer quantity

[D] None of above

5. Any C program

[A] Must contain at least one function

[B] Need not contain any function

[C] Needs input data

[D] None of above

6. Call by reference is also known as ?

[A] Call by address or Call by location

[B] Call by address or Call by value

[C] Call by value or Call by name

[D] None of above

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