Dragon Age: Origins system requirements
These are the Dragon Age: Origins PC system requirements

You dont need a fancy hardware to run Dragon Age: Origins, the minimum requirements are just 1GB of RAM and 6600 class graphic card.  And also you can run Dragon Age: Origins on a single core Processor.

Dragon Age: Origins Minimum System Requirements
Dragon Age Origins supported OS : Windows XP SP3/Vista SP1/Windows 7
Processor : Intel Core 2 DUO @ 1.4 GHz/AMD Athlon64 X2 @ 1.8 GHz
Memory : 1 GB RAM
Hard Drive : 20 GB Free Space
Video Memory : 128 MB (nVidia GeForce 6600/ATI Radeon X850)
Sound Card : DirectX Compatible
DirectX: 9.0c
Keyboard & Mouse
DVD Rom Drive

Dragon Age: Origins Recommended System Requirements
Dragon Age Origins supported OS : Windows XP SP3/Vista SP1/Windows 7
Processor : Intel Core 2 Quad Q6600 (2.4 GHz)/AMD Phenom II X3 720 (2.8 GHz)
Memory : 2 GB RAM
Hard Drive : 20 GB Free Space
Video Memory : 512 MB (nVidia GeForce 8800 GTS/ATI Radeon HD 3850)
Sound Card : DirectX Compatible
DirectX : 10
Keyboard & Mouse
DVD Rom Drive

Game Information

Dragon Age: Origins
Genre Role Playing Game (RPG)
Developer Bioware Edmonton
Publisher Electronic Arts
Platform PC-Windows, Xbox 360, PS3, Mac OSX
ESRB Mature (M)
Release November 2009