B,the printer only receives signals from the computer and prints them.
In most languages. Primitive data types ( char, int, float, bool, maybe string ) are usually passed by value, but compound data types are passed by reference, so you're not working on a copy but on the original.
The answer is a. Title Bar
The Title Bar displays the name of the program and the name of the current open file, whether it is just displayed or being edited. It is located at the top of the program window.