Mnemonics can be used with all subclasses of which class?

Give an example of an HTTP URL. List the three main components of an HTTP URL, stating how their boundaries are denoted and illustrating each one from your example. To what extent is a URL location transparent?

What will be an ideal response?

Pressing [Ctrl] + ____ changes the current pointer during a slide show back to the arrow key.

A. [P] B. [C] C. [A] D. [D]