The receipts you receive from gas pumps, ATMs, and many cash registers are printed by ________ printers

If a program attempts to modify (or, sometimes, even to read) the contents of memory locations that do not belong to it, the operating system’s __________ routine intervenes and (usually) terminates the program.

a. reliability b. security c. processor management d. memory protection

To close the Text Pane, you can press the ____ key(s).

A. CTRL+TAB B. ALT+SHIFT+RIGHT ARROW C. ALT+F4 D. ESC