More typically it's a finitie number of dots horizontally and 
vertically. So a common 1024x768 would be 1024 dots across and 768 up 
and down. This could be spread over a good distance on a large monitor 
or compacted down on a tiny display. A narrower screen might render a 
web page as a longer skinny column while a wide screen would spread 
things out to make a fatter shorter page. Because VO navigates 
geographically it might become cumbersome or layouts might break if the 
page isn't wide enough. w3c schools tracks this and the current trend is 
1024x768 or higher is the standard:

http://www.w3schools.com/browsers/browsers_display.asp

with only 4% of users on 800x600 and 0% on 640x480.

CB

Woody Anna Dresner wrote:
> Hi James,
>
> Screen resolution is a measure of how many pixels are used per inch.  
> Many programs require a minimum screen resolution to function  
> properly. I haven't seen any VoiceOver screen resolution requirements.
>
> Best,
> Anna
>
>
> >
>   

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