Framesets require a special DTD. If you're writing XHTML and want to use the strict DTD, you can't use frames/framesets.
The user cannot close all the programs if he closes the open virtual desktop.
<h3>What are virtual desktops?</h3>
A virtual desktop is a computer operating system that does not run directly on the endpoint hardware from which a user accesses it. The desktop environment is separated from the physical device used to access it.
I call it a false desktop.
It is use to separate your work activities.
Therefore, the user cannot close all the programs if he closes the open virtual desktop.
learn more on virtual desktop here: brainly.com/question/14332029
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