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Language peer sets for Williams: United Kingdom↑ United Kingdom/1948↑ Designed 1948 ↑ 1940s languages ↑ First generation↑ Immediate Post-War↑ Genus Initial orders ↑ Excluded from Sammet ↑ Initial orders↑ Assemblers↑ Fixed operation ↑ Initial orders/1948↑ Assemblers/1948↑ Fixed operation/1948↑ Initial orders/United Kingdom↑ Assemblers/United Kingdom↑ Fixed operation/United Kingdom↑ Excluded from Sammet ↑ Excluded from Sammet/1948↑ Excluded from Sammet/uk ↑ Williams(ID:6501/wil002)Proto-index register for the Manchester Copmuteralternate simple viewCountry: United Kingdom Designed 1948 Genus: Initial orders Sammet category: Excluded from Sammet B-tube system for Manchester University computer. So-called because "the letters A and C had already been used up" (ie the A-tube (accumulator) and C-tube (control)) This tube stored modifiable instructions, which ultimately became index registers, and were hugely influential when Williams told the IBM engineers at Poughkeepsie about it in August 1949, and were incorporated into the IBM 701 (which in turn made Speedcoding possible) Related languages
References: in C.J. Bashe, L.R. Johnson, J.H. Palmer, and E.W. Pu (1986) C.J. Bashe, L.R. Johnson, J.H. Palmer, and E.W. Pugh "IBM's Early Computers" MIT Press, 1986 (Vol. 3 in the History of Computing series) Search in: Google Google scholar World Cat Yahoo Overture DBLP Monash bib NZ IEEE ACM portal CiteSeer CSB ncstrl jstor Bookfinder |