FALLS CHURCH, Va., March 25 /PRNewswire/ — CSC (NYSE: CSC) today announced that it has been positioned in the “leaders” quadrants of two Gartner reports, “Magic Quadrant for Desktop Outsourcing Services, North America,” authored by Richard T. Matlus and William Maurer, and published on March 3, 2009; and “Magic Quadrant for Help Desk Outsourcing, North America,” authored by Richard T. Matlus, William Maurer and Lilian Dutra, and published on March 4, 2009. The reports evaluate external service providers (ESPs) based on their ability to execute and their completeness of …