Unit 12: Types of function

Which of the following is the correct syntax for declaring a function in C?

• return_type function_name();

• function_name return_type();

• function_name();

• return_type function_name;

What is the return type of a function that does not return any value?

• float

• void

• char

• int

What is a function prototype?

• Declaration of a function

• Definition of a function

• Execution of a function

• function call possibly

What is the correct syntax to call a function named sum?

• sum();

• sum;

• call sum;

• sum[];

Which of the following is an advantage of "call by address"?

• Faster execution

• Ability to modify the actual arguments

• No need for pointers

• Less memory usage

In call by value, changes made inside the function definition

• Do not affect the original variables

• Modify the memory address of variables

• Are reflected in the caller function

• Always result in compilation errors