Question on duel video cards

fatbaby55

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Sep 4, 2010
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I am "shopping" for a new computer by the end of the year. I was seeing some have "dual video" cards. What are the advantages to this?
I multi-task with multiple windows open at a time, like to play games so I am looking for at least a mid level computer. My budget is around $1200.
I have looked at dell, gateway, hp and any other suggetions are appreciated!
Thank you!
Wanda