15 Questions
What is the main advantage of breaking down code into small functions?
Making the program more modular
Which of the following is NOT an advantage of using functions in programming?
Reduced reusability
What is the purpose of a function prototype in programming?
To specify the return type and parameter types of a function
In a function header, how are multiple arguments separated?
With commas
What does 'void' indicate in a function definition?
It specifies that the function returns no value
Why is it important to declare a function before using it in a program?
To avoid errors related to undefined functions
What does a function prototype for 'double sqrt(double);' tell the compiler?
The function returns a double and takes a double argument
What is the purpose of placing function prototypes at the top of the program or in a separate header file?
To define the function before they are used
In the context of scope rules for functions, what happens to variables defined within a function?
They are local to that function only
How can variables be passed to a function within a C program?
Only as parameters
What happens when a return statement is encountered in a C function?
The function is terminated and the result is passed to the calling function
Why are variable names optional in the argument list of a function declaration?
To simplify the code for programmers
What happens if all functions in a C program are defined before they are used?
"No prototypes are needed"
In C function calls, how are expressions in the parameter list evaluated?
"In no particular order"
"What is the only way to pass (a single) variable back to the calling function from a C function?"
"Via the return statement"
Learn about functions in programming, including their definition, advantages, and function header syntax. Discover how functions help to create modular, structured, debuggable, and reusable code.
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