has participant has participant output of output of software Affymetrix GeneChip Operating Software GeneChip Operating Software Affymetrix GCOS software Nandini Badarinarayan GCOS software The Affymetrix GeneChip Operating Software (GCOS) is an operating system software that controls Affymetrix instruments, acquires data, and executes gene expression analysis. In addition, GCOS contains an embedded database that manages both experiment information and data. http://www.affymetrix.com software publishing process Affymetrix