CSNP-04103 Chapter 6 - Functions

What are the methods used to pass parameters to a function in C++?

• Call by memory

• Call by reference

• Call by duplicating the argument

• Call by value

Select all that apply. Functions can:

• Return no value

• Return exactly one value

• Return more than one value

• None of the above

In C++ What is the symbol used to tell the compiler that you are sending a parameters to a function by reference?.

• &&

• @

• *

• &

In C++ when sending parameters by reference the & is placed.

• &<Data Type>

• <Data Type>&

• <Data Type> <Variable Name>&

• <Data Type> <Constant Name>&

In C++ if you are calling a function passing parameters by reference, the function itself must be of type:.

• void

• int

• float

• string

In C++ When passing parameters by reference to a function, you are passing:

• A copy of the value in the calling function.

• The value of the parameters in the calling function

• The memory address of the variable in the calling function

• None of the above.

In C++, If you need to send a value to a function by using parameters, and you do not need to return anything from the function, what type of call will you use:

• Call by Value

• Call by Reference

• Call by Cellular phone

• A void call

In C++, if a function receives a parameter by reference and it changes the value, what happens?.

• Nothing

• The value of the variable in the calling function will be changed as well

• You will get a compiler error

• Unlimited loop

When calling a function by reference, does C++ makes any distinction between an output and input / output parameters?.

• Yes

• No

In C++ when using functions, what is an alternative to get values back to the calling function other than a call by reference or using global variables?

• There is no alternative

• Use the return clause

• Use a void function

• Make a call by value