Question

........ is an onscreen work area on which windows, icons, menus and dialog boxes appear.

Answer 1

monitor........................

Answer 2

Desktop
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Desktop is an onscreen work area on which windows, icons, menus and dialog boxes appear.
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1) On desktop we can create shortcuts of programs
2) We can see taskbar as well as start menu on desktop
3) One of the main thing of any pc is it's desktop screen