...077c7968d0406085320467ba6631e_r.jpg">Scientific Data Systems（科学数据系统），并获得了SDS Sigma产品线（后来改名为Xerox Data Systems），博物馆中的这台Sigma大型主机，是1971年生产的Sigma-9型大型主机。
abstract:Scientific Data Systems, or SDS, was an American computer company founded in September 1961 by Max Palevsky, a veteran of Packard Bell and Bendix, along with eleven other computer scientists. SDS was an early adopter of integrated circuits in computer design and the first to employ silicon transistors.