If you have a problem with your headphones, you can troubleshoot the issue by visiting the _____ found in the Control Panel. 

Answer the following statements true (T) or false (F)

1. A structure declaration does not create anything in memory until you create a new instance of the structure. 2. Structures are value types, so a structure object contains all of its data at the variable’s memory location. 3. The programming terms instance and an object have the same meaning. 4. When you create a structure object with a simple declaration, the object's fields are initialized to their default values.

The control variable of a counter-controlled loop should be declared as ________to prevent errors.

a. int. b. float. c. double. d. Any of the above.