Introduction to Programming Final Exam - C++ Functions

What is the correct syntax to declare a function in C++?

• function int add()

• int add()

• def add():

• void add[]

What keyword is used to return a value from a function?

• give

• send

• return

• output

Which function is called automatically when a program starts?

• start()

• main()

• begin()

• init()

What does void mean in a function declaration?

• The function has no parameters

• The function returns nothing

• The function is empty

• The function has errors

How do you call a function named calculate?

• calculate[]

• call calculate();

• calculate();

• run calculate;

What is the output of this code?

• 10

• 20

• 0

• Error

int add(int a, int b) { return a + b; } cout << add(3, 5);

• A. 8

• B. 35

• C. 3 5

• D. Error

What are the values passed to a function called?

• returns

• arguments

• outputs

• variables

Can a function return multiple values directly in C++?

• Yes, using return a, b;

• Yes, using multiple return statements

• No, but can use pointers/references

• Yes, using return [a, b];

What happens if a function doesn't have a return statement but should return a value?

• Returns 0 automatically

• Undefined behavior

• Compilation error

• Returns the last variable