How to show computer screen running at 1028x764 simultaneously on a much larger 2nd monitor but at high resolution and appearing exactly like it does on the primary monitor?

I know I could use a projector to enlarge what is on my screen so an audience could see it.  What I really want is to get the same effect while using a wall mounted monitor and have the signal go directly from the computer to the wall mounted monitor.  Is this possible?  If yes, what hardware/software do I need?
jsgreinerAsked:
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tailoreddigitalCommented:
Using a dual display card, i.e,
http://www.newegg.com/Product/Product.aspx?Item=N82E16814150655

Or a video port on a laptop,

Setup a Profile to handle the unique display configuration in a utility like,

Ultramon

Display Fusion

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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Using any modern graphics card, you can set the resolution independantly of both monitors, we have a wall connected to a graphics card (a very large wall) using two rear view projectors connected to two graphic ports, to do left and right, and then final connector connected to monitor.

Both AMD ATI and nVidia both have software which allows you to do this which ships with the graphic cards.
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