Hierarchical Storage Controller A DEC device that allows shared access to a set of disk drives The HSC is used in VAXclusters to act as the intermediary between a Star Coupler and the drives See also CI, Star Coupler, and VAXcluster
Higher School Certificate: the highest educational qualification attainable in the Australian secondary school system; replaced in Tasmania in 1992 by the Tasmanian Certificate of Education (TCE)