An operating system is ________ software that controls and coordinates computer hardware operations so other programs can run efficiently

Which is not an explanation of icons?

A) pictorial, onscreen representations B) they symbolize computer actions that users may select using a mouse, keyboard, lightpen, or joystick C) they serve functions similar to those of words D) they may replace functions in many menus E) meaning of icons is less quickly grasped than words

The ____ defines the point from which a transformation occurs.

A. point of origin B. crosshairs C. open sequence D. starting point