Functions in Programming

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What is the main advantage of breaking down code into small functions?

Enhancing the program's execution speed

Increasing the program's memory consumption

Making the program more modular (correct)

Reducing the compile time

Which of the following is NOT an advantage of using functions in programming?

Easier debugging

Simplified code maintenance

Improved code readability

Reduced reusability (correct)

What is the purpose of a function prototype in programming?

To specify the return type and parameter types of a function (correct)

To define the function's working directory

To initialize function arguments

To declare variables within a function

In a function header, how are multiple arguments separated?

With commas Signup and view all the answers

What does 'void' indicate in a function definition?

It specifies that the function returns no value Signup and view all the answers

Why is it important to declare a function before using it in a program?

To avoid errors related to undefined functions Signup and view all the answers

What does a function prototype for 'double sqrt(double);' tell the compiler?

The function returns a double and takes a double argument Signup and view all the answers

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 Signup and view all the answers

In the context of scope rules for functions, what happens to variables defined within a function?

They are local to that function only Signup and view all the answers

How can variables be passed to a function within a C program?

Only as parameters Signup and view all the answers

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 Signup and view all the answers

Why are variable names optional in the argument list of a function declaration?

To simplify the code for programmers Signup and view all the answers

What happens if all functions in a C program are defined before they are used?

"No prototypes are needed" Signup and view all the answers

In C function calls, how are expressions in the parameter list evaluated?

"In no particular order" Signup and view all the answers

"What is the only way to pass (a single) variable back to the calling function from a C function?"

"Via the return statement" Signup and view all the answers

Functions in Programming

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