I plan to show a powerpoint presentation for a class and need to know if my laptop will work on any basic projector.

The projector in question is here:http://www.projectorcentral.com/InFocus-…
The specs on the website above says, “unknown”.
If it is not high def, what advantage is the RGB inputs?

My projector is kind of old and doesn’t have a serial input (like a monitor cable), nor does it have a usb port. I tried using an s-video cable but couldn’t get it to project. Is there any device that I can run in between that will adapt from usb to rca? Any other solution [...]