When the Usenet News Service began operating, the only way to read or post articles to newsgroups was to install and run a software program called a ____.

To quickly access the Start button found on the Start screen, move your mouse to the _____ corner of the screen.

A. lower-left B. lower-right C. upper-left D. upper-right

The shortcut for opening the Print section of Backstage view is ____.

A. [Ctrl][P] B. [Shift][P] C. [Alt][P] D. [Enter]