A ____ is a collection of data stored on a nonvolatile device in a computer system.

A(n) ________ theme is a coordinating set of fonts, colors, and effects

Fill in the blank(s) with correct word

Subroutines are _______.

a) methods that can be called only once b) methods that cannot be called with arguments c) methods that do not return a value d) methods that return an optional value