Disk Operating System (DOS) Question:
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Operating system is like a:

a. Government
b. Police
c. Parliament
d. All of above

a. Government

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Underlined character on the menu or dialog box known as: a. Hot spot b. Hot key c. Pane d. Underline word	Which key deletes text before, or to the left, of the insertion point? a. PageUp b. Delete c. PageDown d. BackSpace