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Line 1: '''Stored program control''' (SPC) is a telecommunications technology used for [[telephone exchanges]] controlled by a computer program stored in the memory of the switching system. SPC was the enabling technology of [[electronic switching system]]s (ESS) developed in the [[Bell System]] in the 1950s, and may be considered the third generation of switching technology. Stored program control was invented in 1954 by [[Bell Labs]] scientist [[Erna Schneider Hoover]] ~~in 1954~~, who reasoned that computer software could control the connection of telephone calls.<ref name=tws2Q312>{{cite news \|author= Alpha Doggs \|title= Phone switching pioneers to be inducted in National Inventors Hall of Fame Line 5: \|date= February 15, 2008 \|url= http://www.networkworld.com/community/node/25111 \|~~accessdate~~access-date= 2012-06-17 }}</ref><ref name=tws2Q315>{{cite news \|title= Erna Schneider Hoover Line 11: \|date= 2012-06-17 \|url= http://www.maximumpc.com/article/features/15_most_important_women_tech_history \|~~accessdate~~access-date= 2012-06-17 }}</ref><ref name=tws2Q311>{{cite news \|title= Erna Schneider Hoover Line 17: \|date= 2012 \|url= http://www.ieeeghn.org/wiki/index.php/Erna_Schneider_Hoover \|~~accessdate~~access-date= 2012-06-17 }}</ref>

Stored program control: Difference between revisions